Irregular verbs are those which do not follow the typical pattern when conjugated. There are approximately 200 irregular verbs in English. In the table below you will find the conjugations of over 100 of the most common irregular verbs. In some cases, a verb may be irregular in British English and regular in American English. This is noted in the table. For more information, see the lesson Past Simple.
Past Simple
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Conjugation of verb "To be"
Negative
He/She/It will not have been
Interrogative
Will he/she/it have been?
Affirmative
He/She/It would have been
Negative
He/She/It would not have been
Interrogative
Would he/she/it have been?
Conjugation of verb "To beat"
Present Simple Continuous
Negative
He/She/It is not beating.
Negative
He/She/It was not beating.
Negative
He/She/It has not beaten.
Present Perfect Continuous
Affirmative
He/She/It has been beating.
Negative
You have not been beating.
We have not been beating.
He/She/It has not been beating.
You have not been beating.
They have not been beating.
Interrogative
Has he/she/it been beating?
Negative
He/She/It had not beaten.
Affirmative
He/She/It had been beating.
Negative
You had not been beating.
He/She/It had not been beating.
You had not been beating.
They had not been beating.
Interrogative
Had he/she/it been beating?
Affirmative
He/She/It will have beaten.
Negative
You will not have beaten.
He/She/It will not have beaten.
You will not have beaten.
They will not have beaten.
Interrogative
Will he/she/it have beaten?
Negative
He/She/It would not beat.
Affirmative
He/She/It would have beaten.
Negative
You would not have beaten.
We would not have beaten.
He/She/It would not have beaten.
You would not have beaten.
They would not have beaten.
Interrogative
Would he/she/it have beaten?
Conjugation of verb "To become"
Negative
He/She/It does not become.
Present Simple Continuous
Negative
He/She/It is not becoming.
Negative
He/She/It did not become.
Negative
He/She/It was not becoming.
Negative
He/She/It will not become.
Negative
He/She/It has not become.
Present Perfect Continuous
Affirmative
He/She/It has been becoming.
Negative
I have not been becoming.
You have not been becoming.
We have not been becoming.
He/She/It has not been becoming.
You have not been becoming.
They have not been becoming.
Interrogative
Has he/she/it been becoming?
Negative
He/She/It had not become.
Affirmative
He/She/It had been becoming.
Negative
You had not been becoming.
We had not been becoming.
He/She/It had not been becoming.
You had not been becoming.
They had not been becoming.
Interrogative
Had he/she/it been becoming?
Affirmative
He/She/It will have become.
Negative
You will not have become.
He/She/It will not have become.
You will not have become.
They will not have become.
Interrogative
Will he/she/it have become?
Negative
He/She/It would not become.
Affirmative
He/She/It would have become.
Negative
You would not have become.
We would not have become.
He/She/It would not have become.
You would not have become.
They would not have become.
Interrogative
Would he/she/it have become?
Conjugation of verb "To begin"
Negative
He/She/It does not begin.
Present Simple Continuous
Negative
He/She/It is not beginning.
Negative
He/She/It was not beginning.
Negative
He/She/It will not begin.
Present Perfect Continuous
Affirmative
He/She/It has been beginning.
They have been beginning.
Negative
I have not been beginning.
You have not been beginning.
We have not been beginning.
He/She/It has not been beginning.
You have not been beginning.
They have not been beginning.
Interrogative
Has he/she/it been beginning?
Have they been beginning?
Affirmative
He/She/It had been beginning.
Negative
I had not been beginning.
You had not been beginning.
We had not been beginning.
He/She/It had not been beginning.
You had not been beginning.
They had not been beginning.
Interrogative
Had he/she/it been beginning?
Affirmative
He/She/It will have begun.
Negative
He/She/It will not have begun.
They will not have begun.
Interrogative
Will he/she/it have begun?
Negative
He/She/It would not begin.
Affirmative
He/She/It would have begun.
Negative
You would not have begun.
He/She/It would not have begun.
You would not have begun.
They would not have begun.
Interrogative
Would he/she/it have begun?
Conjugation of verb "To break"
Negative
He/She/It does not break.
Present Simple Continuous
Negative
He/She/It is not breaking.
Negative
He/She/It was not breaking.
Negative
He/She/It will not break.
Negative
He/She/It has not broken.
Present Perfect Continuous
Affirmative
He/She/It has been breaking.
Negative
I have not been breaking.
You have not been breaking.
We have not been breaking.
He/She/It has not been breaking.
You have not been breaking.
They have not been breaking.
Interrogative
Has he/she/it been breaking?
Negative
He/She/It had not broken.
Affirmative
He/She/It had been breaking.
Negative
You had not been breaking.
We had not been breaking.
He/She/It had not been breaking.
You had not been breaking.
They had not been breaking.
Interrogative
Had he/she/it been breaking?
Affirmative
He/She/It will have broken.
Negative
You will not have broken.
He/She/It will not have broken.
You will not have broken.
They will not have broken.
Interrogative
Will he/she/it have broken?
Negative
He/She/It would not break.
Affirmative
He/She/It would have broken.
Negative
You would not have broken.
We would not have broken.
He/She/It would not have broken.
You would not have broken.
They would not have broken.
Interrogative
Would he/she/it have broken?
Conjugation of verb "To bring"
Negative
He/She/It does not bring.
Present Simple Continuous
Negative
He/She/It is not bringing.
Negative
He/She/It was not bringing.
Negative
He/She/It will not bring.
Negative
He/She/It has not brought.
Present Perfect Continuous
Affirmative
He/She/It has been bringing.
Negative
I have not been bringing.
You have not been bringing.
We have not been bringing.
He/She/It has not been bringing.
You have not been bringing.
They have not been bringing.
Interrogative
Has he/she/it been bringing?
Negative
He/She/It had not brought.
Affirmative
He/She/It had been bringing.
Negative
You had not been bringing.
We had not been bringing.
He/She/It had not been bringing.
You had not been bringing.
They had not been bringing.
Interrogative
Had he/she/it been bringing?
Affirmative
He/She/It will have brought.
Negative
You will not have brought.
We will not have brought.
He/She/It will not have brought.
You will not have brought.
They will not have brought.
Interrogative
Will he/she/it have brought?
Negative
He/She/It would not bring.
Affirmative
He/She/It would have brought.
Negative
I would not have brought.
You would not have brought.
We would not have brought.
He/She/It would not have brought.
You would not have brought.
They would not have brought.
Interrogative
Would he/she/it have brought?
Conjugation of verb "To build"
Negative
He/She/It does not build.
Present Simple Continuous
Negative
He/She/It is not building.
Negative
He/She/It was not building.
Negative
He/She/It will not build.
Present Perfect Continuous
Affirmative
He/She/It has been building.
Negative
I have not been building.
You have not been building.
We have not been building.
He/She/It has not been building.
You have not been building.
They have not been building.
Interrogative
Has he/she/it been building?
Affirmative
He/She/It had been building.
Negative
You had not been building.
We had not been building.
He/She/It had not been building.
You had not been building.
They had not been building.
Interrogative
Had he/she/it been building?
Affirmative
He/She/It will have built.
Negative
He/She/It will not have built.
They will not have built.
Interrogative
Will he/she/it have built?
Negative
He/She/It would not build.
Affirmative
He/She/It would have built.
Negative
You would not have built.
He/She/It would not have built.
You would not have built.
They would not have built.
Interrogative
Would he/she/it have built?
Conjugation of verb "To burn"
Present Simple Continuous
Negative
He/She/It is not burning.
Negative
He/She/It was not burning.
Present Perfect Continuous
Affirmative
He/She/It has been burning.
Negative
You have not been burning.
We have not been burning.
He/She/It has not been burning.
You have not been burning.
They have not been burning.
Interrogative
Has he/she/it been burning?
Affirmative
He/She/It had been burning.
Negative
You had not been burning.
He/She/It had not been burning.
You had not been burning.
They had not been burning.
Interrogative
Had he/she/it been burning?
Affirmative
He/She/It will have burnt.
Negative
He/She/It will not have burnt.
They will not have burnt.
Interrogative
Will he/she/it have burnt?
Negative
He/She/It would not burn.
Affirmative
He/She/It would have burnt.
Negative
You would not have burnt.
He/She/It would not have burnt.
You would not have burnt.
They would not have burnt.
Interrogative
Would he/she/it have burnt?
Conjugation of verb "To buy"
Present Simple Continuous
Negative
He/She/It was not buying.
Negative
He/She/It has not bought.
Present Perfect Continuous
Affirmative
He/She/It has been buying.
Negative
You have not been buying.
He/She/It has not been buying.
You have not been buying.
They have not been buying.
Interrogative
Has he/she/it been buying?
Negative
He/She/It had not bought.
Affirmative
He/She/It had been buying.
Negative
He/She/It had not been buying.
They had not been buying.
Interrogative
Had he/she/it been buying?
Affirmative
He/She/It will have bought.
Negative
You will not have bought.
He/She/It will not have bought.
You will not have bought.
They will not have bought.
Interrogative
Will he/she/it have bought?
Affirmative
He/She/It would have bought.
Negative
You would not have bought.
We would not have bought.
He/She/It would not have bought.
You would not have bought.
They would not have bought.
Interrogative
Would he/she/it have bought?
Conjugation of verb "To catch"
Negative
He/She/It does not catch.
Present Simple Continuous
Negative
He/She/It is not catching.
Negative
He/She/It was not catching.
Negative
He/She/It will not catch.
Negative
He/She/It has not caught.
Present Perfect Continuous
Affirmative
He/She/It has been catching.
Negative
I have not been catching.
You have not been catching.
We have not been catching.
He/She/It has not been catching.
You have not been catching.
They have not been catching.
Interrogative
Has he/she/it been catching?
Negative
He/She/It had not caught.
Affirmative
He/She/It had been catching.
Negative
You had not been catching.
We had not been catching.
He/She/It had not been catching.
You had not been catching.
They had not been catching.
Interrogative
Had he/she/it been catching?
Affirmative
He/She/It will have caught.
Negative
You will not have caught.
He/She/It will not have caught.
You will not have caught.
They will not have caught.
Interrogative
Will he/she/it have caught?
Negative
He/She/It would not catch.
Affirmative
He/She/It would have caught.
Negative
You would not have caught.
We would not have caught.
He/She/It would not have caught.
You would not have caught.
They would not have caught.
Interrogative
Would he/she/it have caught?
Conjugation of verb "To choose"
Negative
He/She/It does not choose.
Present Simple Continuous
Negative
He/She/It is not choosing.
Negative
He/She/It did not choose.
Negative
He/She/It was not choosing.
Negative
He/She/It will not choose.
Negative
He/She/It has not chosen.
Present Perfect Continuous
Affirmative
He/She/It has been choosing.
Negative
I have not been choosing.
You have not been choosing.
We have not been choosing.
He/She/It has not been choosing.
You have not been choosing.
They have not been choosing.
Interrogative
Has he/she/it been choosing?
Negative
He/She/It had not chosen.
Affirmative
He/She/It had been choosing.
Negative
You had not been choosing.
We had not been choosing.
He/She/It had not been choosing.
You had not been choosing.
They had not been choosing.
Interrogative
Had he/she/it been choosing?
Affirmative
He/She/It will have chosen.
Negative
You will not have chosen.
He/She/It will not have chosen.
You will not have chosen.
They will not have chosen.
Interrogative
Will he/she/it have chosen?
Negative
He/She/It would not choose.
Affirmative
He/She/It would have chosen.
Negative
You would not have chosen.
We would not have chosen.
He/She/It would not have chosen.
You would not have chosen.
They would not have chosen.
Interrogative
Would he/she/it have chosen?
Conjugation of verb "To come"
Present Simple Continuous
Negative
He/She/It was not coming.
Present Perfect Continuous
Affirmative
He/She/It has been coming.
Negative
You have not been coming.
He/She/It has not been coming.
You have not been coming.
They have not been coming.
Interrogative
Has he/she/it been coming?
Affirmative
He/She/It had been coming.
Negative
He/She/It had not been coming.
They had not been coming.
Interrogative
Had he/she/it been coming?
Affirmative
He/She/It will have come.
Negative
He/She/It will not have come.
Interrogative
Will he/she/it have come?
Negative
He/She/It would not come.
Affirmative
He/She/It would have come.
Negative
He/She/It would not have come.
They would not have come.
Interrogative
Would he/she/it have come?
Conjugation of verb "To cost"
Present Simple Continuous
Negative
He/She/It is not costing.
Negative
He/She/It was not costing.
Present Perfect Continuous
Affirmative
He/She/It has been costing.
Negative
You have not been costing.
We have not been costing.
He/She/It has not been costing.
You have not been costing.
They have not been costing.
Interrogative
Has he/she/it been costing?
Affirmative
He/She/It had been costing.
Negative
You had not been costing.
He/She/It had not been costing.
You had not been costing.
They had not been costing.
Interrogative
Had he/she/it been costing?
Affirmative
He/She/It will have cost.
Negative
He/She/It will not have cost.
Interrogative
Will he/she/it have cost?
Negative
He/She/It would not cost.
Affirmative
He/She/It would have cost.
Negative
He/She/It would not have cost.
They would not have cost.
Interrogative
Would he/she/it have cost?
Conjugation of verb "To cut"
Present Simple Continuous
Negative
He/She/It is not cutting.
Negative
He/She/It was not cutting.
Present Perfect Continuous
Affirmative
He/She/It has been cutting.
Negative
You have not been cutting.
We have not been cutting.
He/She/It has not been cutting.
You have not been cutting.
They have not been cutting.
Interrogative
Has he/she/it been cutting?
Affirmative
He/She/It had been cutting.
Negative
You had not been cutting.
He/She/It had not been cutting.
You had not been cutting.
They had not been cutting.
Interrogative
Had he/she/it been cutting?
Negative
He/She/It will not have cut.
Affirmative
He/She/It would have cut.
Negative
He/She/It would not have cut.
Interrogative
Would he/she/it have cut?
Conjugation of verb "To do"
Present Simple Continuous
Present Perfect Continuous
Affirmative
He/She/It has been doing.
Negative
He/She/It has not been doing.
They have not been doing.
Interrogative
Has he/she/it been doing?
Affirmative
He/She/It had been doing.
Negative
He/She/It had not been doing.
Interrogative
Had he/she/it been doing?
Affirmative
He/She/It will have done.