Question

1 have the boys been playing football since 3o'clock (change into past perfect continous tence)
2 he works in this hotel as chef( change into past perfevt tence)
3 The teacher has explained the use of verb to the class ( future perfect) ​

Answer 1

Answer:

was the boys play football at 3' o clock

Answer 2

Answer:

1) the boys have been playing football since 3'o clock.

2) he worked in this hotel as chef.

3) the teacher will have been explained the use of verb to the class.