初二英语上册语法复习详解（15）-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 arent 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 dont 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 dont have many friends.
　　There is lots of orange in the bottle.
（遥数名词） 　　There isnt much orange in the bottle.
　　4.
already变为yet。
如： 　　I have been there already.
I havent been there yet.