初二英語上冊語法復習詳解（15）-隨句型變化而變化的詞

　　15) 肯定句變否定句及疑問句要變化的一些詞

　　1.some變為any。如：

　　There are some birds in the tree.There arent any birds in the tree.

　　但是，若在表示請邀請、請求的句子中，some可以不變。如：

　　Would you like some orange juice?

　　與此相關的一些不定代詞如something, somebody等也要進行相應變化。

　　2.and變為or。如：

　　I have a knife and a ruler.I dont have a knife or a ruler.

　　3.a lot of (=lots of)變為many或much。如：

　　They have a lot of friends.（可數名詞）They dont have many friends.

　　There is lots of orange in the bottle.（不可數名詞）

　　There isnt much orange in the bottle.

　　4.already變為yet。如：

　　I have been there already.I havent been there yet.