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肯定句变否定句及疑问句要变化的一些词

1. some变为 any如:

There are some birds in the tree.

There aren&# 39; t any birds in the tree.

但是,若在表示请邀请、请求的句子中, some可以不变。如:

Would you like some orange juice?

与此相关的一些不定代词如 something, somebody等也要进行相应变化。

2. and变为 or如:

I have a knife and a ruler.

I don&# 39; t have a knife or a ruler.

3. a lot of(= lots of)变为 manymuch如:

They have a lot of friends.(可数名词)

They don&# 39; t have many friends.

There is lots of orange in the bottle.(不可数名词)

There isn&# 39; t much orange in the bottle.

4. already变为 yet如:

I have been there already.

I haven&# 39; t been there yet.