初二英语语法大全：随句型变化而变化的词
15) 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'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't have a knife or a ruler.
3.a lot of (=lots of)变为many或much。如：
They have a lot of friends.(可数名词)→They don't have many friends.
There is lots of orange in the bottle.(不可数名词)
→There isn't much orange in the bottle.
4.already变为yet。如：
I have been there already.→I haven't been there yet.
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