Unit 6 GENDER EQUALITY

They can't make tea with cold water.

Tea

You should open the wine about 3 hours before you use it.

The wine

You mustn't use the machine after 5.30 p.m

The machine

He could repair the broken vase

The broken vase

Phong has to return the scientific books to the libraly

The scientific book

1. They can't make tea with cold water.

-> Tea can't be made with cold water

2. You should open the wine about 3 hours before you use it.

-> The wine should be opened about 3 hours before you use it

3. You mustn't use the machine after 5.30 p.m

-> The machine mustn't be used after 5.30 p.m

4. He could repair the broken vase

-> The broken vase could be repaired by him

Cấu trúc câu bị động thì quá khứ đơn với động từ khuyết thiếu : S+ could (not) + be + P2

5. Phong has to return the scientific books to the libraly

-> The scientific book has to be returned to the library by Phong