专题十四 简单句
易错清单
一、陈述句的否定结构
1. 含有have的否定句
(1) have当“拥有,所有”讲时,其否定形式有两种。如:
I have an e-dictionary. 我有一个电子词典。
可改为:I don't have an e-dictionary. (√)
I have not an e-dictionary. (√)
(2) have作“吃、喝、玩、度过”讲时,其否定形式借助于助动词do。如:
I had milk for breakfast this morning. (变否定句) →I didn't have milk for breakfast this morning.
(3) have为助动词时,其否定形式为haven't。如:
I have visited Diaoyu Island. (变否定句) →I haven't visited Diaoyu Island.
