Question

Pасcкройте скобки употребив глаголы в нужном времени:
1)They (to learn) how to stow cargo every practical study.
2)They (to learn) how to stow cargo now.
3) They (to learn) how to stow cargo last month.
4) They (to learn) how to stow cargo ,when he went ashore.
5) They (to learn) how to stow cargo one of these days.
6) We (to launch) the life-boats very seldom.
7) We (to launch) the life-boat now.
8) We (to launch) the life-boat yesterday.
9) We (to launch) the life-boat, when they approached the ferry.
10) We (to launch) the life-boat in a week.

Answer 1

1. learn
2. are learning
3. learnt
4. were learning
5. have learnt
6. launch
7. are launching
8. launched
9. were launching
10. have launched

Answer 2

1.learn
2. are learning
3.learnt
4.were learning
5.have learnt
6.launch
7.are launching
8.launched
9.were lauching
10.have launched