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Mr Potter repaired / had repaired his car yesterday.

Our grandma baked / had baked a carrot cake by 6 o’clock yesterday.

He wrote / had written an article by Monday morning.

Tim and Betsy had been / were in Peru three years ago.

Did you water / Had you watered the flowers the day before yesterday?

Задание 2

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1.вы должны попытаться выяснить, так много фактов, как можно больше об этой экспедиции в антарктику.2.группа экспертов должны анализировать сложившейся ситуации связанные с экологическими проблемами нашего города.3.молодому инженеру разрешили применять мобильное оборудование в его экспериментах на поле.4.этот производственный процесс должен был быть улучшен новыми техническими средствами.

1. you should try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

1.the solar sail will destroy the asteroid.

the solar sail won't destroy the asteroid.

will the solar sail  destroy the asteroid?

2.we'll be able to have holidays in space soon.

we won't  be able to have holidays in space soon.

will we  be able to have holidays in space soon?

3.they're going to send a manned spaceship to mars.

they aren't going to send a manned spaceship to mars.

are they going to send a manned spaceship to mars?

4.mark is going to be an astronomer.

mark isn't going to be an astronomer.

is mark going to be an astronomer?

5.you'll have to wear a spacesuit.

you won't have to wear a spacesuit.

will you have to wear a spacesuit?

a day at the office

when john arrived at work,he knew it was going to be a bad day.his friend simon  bought two coffees and explained what happened the night before.there was a large storm in the night and the electricity supply wasn't working.they couldn't use their computers until they were fixed the next day.they had a big project to complete by five o'clock and now this was impossible.john and simon decided fo explain the situation to their boss.their boss didn't understand and fired them on the

tim hasn't got many toys.

has tim got many toys?

he can't write very well.

can he write very well?

we aren't pupils.

are we pupils?

chuckles isn't climbing now.

is  chuckles  climbing now?

she doesn't play tennis every day.

does she play tennis every day?