Упражнение 233 Раскройте скобки, употребляя глаголы в Past Simple или Past Perfect 1. Tom (to return) from the cinema at five o'clock. 2. Tom (to return) from the cinema by five o'clock. 3. (to finish) my homework at seven o'clock. 4. (to finish) my homework by seven o'clock. 5. He /to think) that he (to lose) the money. 6. Ann (to tell me that she (to see) an interesting film. 7 When/ (to come home mother already (to cook) dinner 8. When father to return) from work we already (to do) our homework. 9. When the teacher (to enter) the classroom, the pupils already (to open their books. 10. Kate (to give) me the book which she (to buy) the day before. 11. Nick (to show) the teacher the picture which he (to draw 12. The boy (to give) the goats the grass which he (to bring) from the field. 13. Mother (to see) that Nick (not to wash) his hands. 14. The teacher (to understand) that Lena (not to do) her homework. 15./(to know) that my friend (not yet to come). 76. When/ (to wake) up yesterday, father already to go) to work. 17. Nick (to think) that his father (not yet to come home. 18. Mary (to tell us that she (to cook) a good dinner. 19. Yesterday (to find the book which / (to lose) in summer. 20. When we (to come to the station, the train already (to leave).

1) Tom returned from the cinema at five o'clock.

2) Tom had returned from the cinema by five o'clock.

3) I finished my homework at seven o'clock.

4) I had finished my homework by seven o'clock.

5) He thought that he had lost the money.

6) Ann told me that she had seen an interesting film.

7) When I came home, mother had already cooked dinner.

8) When father returned from work we had already done our homework.

9) When the teacher entered the classroom, the pupils had already opened their books.

10) Kate gave me the book which she had bought the day before.

11) Nick showed the teacher the picture which he had drawn.

12) The boy gave the goats the grass which he had brought from the field.

13) Mother saw that Nick hadn't wash his hands.

14) The teacher understood that Lena hadn't done her homework.

15) I knew that my friend hadn't come yet.

16) When I woke up yesterday, father had already gone to work.

17) Nick thought that his father hadn't come home yet.

18) Mary told us that she had cooked a good dinner.

19) Yesterday found the book which I had lost in summer.

20) When we came to the station, the train had already left.

Объяснение:

Самое главное - это изучить правила постановки глаголов в Past Simple и Past Perfect. Затем перевести каждое предложение и понять его смысл. Ну и в процессе написания не забыть про неправильные формы глаголов, которые сушествуют в английском языке.

An oprtator has to shoot a film. - An operator must shoot a film.

A veterinarian has to help animals with their health problems - A veterinarian must help animals with their health problems.

A doctor has to help people with their health problems. A doctor must to help people with their health problems. - Можно составить и так и такю Но have to , has to имеет значение необходимо , а must выражает большее должествование , т.е. надо, необходимо, если нужно выбрать только один вариант для предложения , то в первом, наверное has to - необходимо снять фильм, но может и не снимать , а во втором must т.к. ветеринар и доктор должны, обязаны животным, людям с проблемами здоровья . - Предлагаю такое решение

Many children dream of space since early childhood.here i am in kindergarten i wanted to be an astronaut,drawing space ships,alien planets.now,as an adult,i have not abandoned my dreams.read a lot about space,astronauts,flying around the earth,studied astronomy.i'd like to visit space when you grow up and perhaps become an astronaut.i would like to see other worlds,to find out if there is life if there's intelligent beings,maybe like us,maybe not.i imagine our spaceship landed on some planet.here we leave the ship in spacesuits and see someone else's green sky with two small red suns.the ground is a greenish-red color,and plants with red leaves.here far away is lake water, pinkish-green.and if there is on the planet is water,there is life.then out of the water he leaned the muzzle of the creature,similar to our crocodile and mumbled something.we moved away from the lake.suddenly in the grass i saw a key and rushed to his friends.so,on this planet there must be people! just what? we had a meeting with the unknown civilization.that's what i'd like to see in space and why would you like to go there! i would like to see other planet,inhabited by intelligent beings!