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    Learn Courses Advanced level Verb tenses future perfect Future perfect continuous

"When my Dad retires next year he will have been working for 40 years". Here "he will have been working" expresses the duration of time of an action at a future moment. Learn more below.

Grammatical Rules

Structure

1. Affirmative Sentences

Subject + “will have been” + verbo+ing…
Subject + auxiliary verb (to be) + “going to have been” + verb+ing…

Examples:

 Francis will have been living in Italy for 4 years by the time he finishes his studies.
 We’re going to have been working for 24 hours by the time we finish this project.

2. Negative Sentences

Subject + “will” + “not” + “have been” + verbo+ing…
Subject + auxiliary verb (to be) + “not” + “going to have been” + verb+ing…

Examples:

 Francis won’t have been living in Italy for long when he finishes his studies.
 We’re not going to have been working too long by the time we finish this project.

3. Interrogative Sentences

“Will” + subject + “have been” + verbo+ing…?
Auxiliary verb (to be) + subject + “going to have been” + verb+ing…?

Examples:

 Will Francis have been living in Italy for long by the time he finishes his studies?
 Are you going to have been working for a long time when you finish this project?

Uses

1. We use the future perfect continuous to show that something is going to continue into the future until another action or time in the future.

Examples:

 Jessica will have been studying English for 5 years when she moves to England next April.
 I’m going to have been running 20 kilometers daily for at least a month before the marathon.
 Will you have been living together for long before you get married?

2. The use of the future perfect continuous is a way to show cause and effect in the future.

Examples:

 Jessica’s English will be perfect when she moves to England next year as she’ll have been studying it for five years.
 I’m not worried about the marathon as I’ll have been running 20 kilometers a day for several weeks before.

Note: Keep in mind the rules regarding the use of the perfect tenses and time expressions as well as the rules regarding verbs in the continuous tenses.

Note: Keep in mind the rules regarding the use of the perfect tenses and time expressions as well as the rules regarding verbs in the continuous tenses.

Previous lesson Future Perfect
Future Perfect Continuous Listen to Lesson
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