现在完成时1 动词结构
否定式:
has / have 后加 not
have not 可缩写为 haven’t has not 可缩写为 hasn’t
I haven’t found my lost cat. 我还没有找到我丢失的猫。 She hasn’t finished her homework yet. 她还没有完成她的家庭作业。
句尾的 have / has不能缩写。
如:Yes, I have. Yes, she has.
动词的过去分词:
规则动词的过去分词的构成与动词过去式相同,词尾加-ed 要注意词尾字母需要双写的单词 stopped shopped dropped chatted regretted planned
不规则动词的过去分词见不规则动词表(课本后页)
疑问式
把 助动词 has / have 提到句首
Have you had your breakfast yet? 你已经吃过早餐了吗? Has she already made the cake? 她已经做完蛋糕了 ?
现在完成时
动词结构
附中分校 于晓丽
ቤተ መጻሕፍቲ ባይዱ
动词结构:
助动词 have / has + 动词的过去分词
have 可缩写为 ’ve has 可缩写为 ’s
They’ve worked in the factory for ten years. 他们在这个工厂工作十年了。
He’s been there before. 他以前去过那儿。