מבנה

בעל שני צורות:

will have been + Present participle
- Positive: Subject + will have been + Present participle
- Negative: Subject + will not have been + Present participle
- Question: Will + Subject + have been + Present participle
be going to : am/is/are + going to have been + present participle
- במשפט חיוב: Subject + am/is/are + going to + verb
- במשפט שלילה: Subject + am/is/are + not + going to + verb
- במשפט שאלה: Am/is/are + subject + going to + verb

מתי נשתמש בזמן זה?

פעולה הנמשכת לעתיד (עד לזמן מסוים). למשל By 6 o'clock we will have been drinking for ten hours, עד השעה 6 אנחנו נשתה כבר במשך עשר שעות.
סיבה ותוצאה - בכדי לתאר פעולה לפני פעולה אחרת בעתיד כדי לתאר סיבה ותוצאה, למשל, He will be very tired because he will have been working all morning, הוא יהיה מאוד עייף מאחר והוא יעבוד כל הבוקר.

במשפטי חיוב:

I am going to write a letter tomorrow.

She is going to tell a joke next week.

They are going to learn English next month.

במשפטי שלילה:

I am not going to talk with them in the meeting.

He is not going to eat in our lunch tommorow.

You are not going to ride your bike next week.

במשפטי שאלה:

Am I going to meet him next week?

Is she going to leave this city next month?

Are you going to watch T.V next afternoon?