Conjugation of verb "To understand"
Negative
He/She/It doesn't understand.
Interrogative
Does he/she/it understand?
Present Simple Continuous
Affirmative
He/She/It's understanding.
Negative
You aren't understanding.
He/She/It isn't understanding.
You aren't understanding.
They aren't understanding.
Interrogative
Is he/she/it understanding?
Negative
He/She/It didn't understand.
Interrogative
Did he/she/it understand?
Affirmative
He/She/It was understanding.
Negative
You weren't understanding.
We weren't understanding.
He/She/It wasn't understanding.
You weren't understanding.
They weren't understanding.
Interrogative
Was he/she/it understanding?
Negative
He/She/It won't understand.
Interrogative
Will he/she/it understand?
Negative
He/She/It hasn't understood.
Interrogative
Has he/she/it understood?
Present Perfect Continuous
Affirmative
You've been understanding.
We've been understanding.
He/She/It's been understanding.
You've been understanding.
They've been understanding.
Negative
I haven't been understanding.
You haven't been understanding.
We haven't been understanding.
He/She/It hasn't been understanding.
You haven't been understanding.
They haven't been understanding.
Interrogative
Have I been understanding?
Have you been understanding?
Have we been understanding?
Has he/she/it been understanding?
Have you been understanding?
Have they been understanding?
Negative
He/She/It hadn't understood.
Interrogative
Had he/she/it understood?
Affirmative
You'd been understanding.
He/She/It'd been understanding.
You'd been understanding.
They'd been understanding.
Negative
I hadn't been understanding.
You hadn't been understanding.
We hadn't been understanding.
He/She/It hadn't been understanding.
You hadn't been understanding.
They hadn't been understanding.
Interrogative
Had I been understanding?
Had you been understanding?
Had we been understanding?
Had he/she/it been understanding?
Had you been understanding?
Had they been understanding?
Affirmative
He/She/It'll have understood.
Negative
You won't have understood.
We won't have understood.
He/She/It won't have understood.
You won't have understood.
They won't have understood.
Interrogative
Will you have understood?
Will he/she/it have understood?
Will you have understood?
Will they have understood?
Negative
He/She/It wouldn't understand.
They wouldn't understand.
Interrogative
Would he/she/it understand?
Affirmative
He/She/It'd have understood.
Negative
I wouldn't have understood.
You wouldn't have understood.
We wouldn't have understood.
He/She/It wouldn't have understood.
You wouldn't have understood.
They wouldn't have understood.
Interrogative
Would you have understood?
Would we have understood?
Would he/she/it have understood?
Would you have understood?
Would they have understood?