Shall I turn on the light? — No, you needn’t. It is still light in the room.
You needn’t make your bed. I'll do it for you.
You needn’t buy mineral water, we have plenty.
We mustn’t stay up late.
You needn’t take an umbrella today. The sun is shining.
It’s prohibited to go into that building. You mustn’t go in.
The meeting is very important. We mustn’t be late.
I mustn’t forget my keys or I won’t get in.
You needn’t bring sandwiches. We can stop at a cafe.
Pupils mustn’t smoke.
In this school pupils needn’t wear school uniform. They can wear jeans and T-shirts.
Объяснение:
1. Milk is produced by cows.
2. Coffee is grown in Brazil.
3. Chopsticks are used in China.
4. Plants are watered every day.
5. Our breakfast is made by mother.
6. The nearest shop is opened at eight o’clock.
В Passive дополнение становится подлежащим, глагол ставится в Passive, подлежащее становится агентом. Агент вложиться в предложение с или опускается. Мы можем отпустить агент, если он неважен, очевиден или неизвестен. Агенты people, they, somebody отпускаются.