内容正文:
(
明师教育
201
8年春季初一英语提高班
)
现在完成时
目标一:掌握现在完成时的构成
目标二:掌握现在完成时的用法
目标三:掌握现在完成时短暂性动词与延续性动词的转变
目标四:掌握现在完成时与一般过去时的区别
【目标一:现在完成时构成】
句式
构成
缩写
含义
肯定式
have/has+过去分词
主语’s / 主语’ve
She has/ She’s lost her books.
否定式
have/has+not+过去分词
haven’t/ hasn’t
They haven’t had lunch.
一般疑问式
have/has提前
无
Have you ever won any prizes before?
(
have /has是________动词, 没有什么具体意义。
当主语是第三人称单数时助动词用______,
其余人称一律用__________。
)
基础操作:
1) They have found the lost book.
_________ they ___________ the lost book? Yes, they _________./ No, they ___________.
2) She has read some of Luxun’s books.
_______she _______ ______ of Luxun’s books? Yes, she _________. / No, she __________.
【目标二:现在完成时的用法】
· 用法一:表示过去发生或已经完成的某一动作对现在造成的影响或结果。
e.g: The bottle is empty. I _____________(drink) all the milk.
The book was here just now, but it isn’t here now. Who __________(take ) it?
Who __________(clean) the room? It’s so clean.
She doesn’t want to eat anything. because she ___________(eat) much food.
· 表达这种含义的标志词: