Question

Do as direct
1:he works in hotel as chef.(change into past perfect tense)
2: the teacher has explained the use of verbs to the class.(change into future perfect tense)

Answer 1

Answer:

He had worked in hotel as chef

The teacher will have explained the use of verbs to the class

Answer 2

Answer:

1.He worked in a hotel.

2.The teacher will explain the use of verbs to the class.

Hope it helps....☺️