现在完成时用法

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现在完成时(1)

基本结构:

肯定句: have/has+过去分词(done)+其他

否定句:have+not/haven’t +过去分词(done) +其他

has+not/ hasn’t+过去分词(done) +其他

一般疑问句及回答:Have/Has+主语+过去分词+其他

Yes, 主语+have/has.(肯定)

No, 主语+haven't/hasn't.(否定)

一、表示在过去不确定的时间里发生的对现在造成影响的动作或结果。

I have already spent all of my money.(含义是:现在我没有钱花了)

Guo zijun has just come. (含义:郭子君现在在这儿)

My father has gone to work.(含义是:我爸爸现在不在这儿)

过去分词

1 、规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规

则相同。四点变化规则:

(1)、一般动词,在词尾直接加“ ed ”。

work---worked---worked ,visit---visited---visited

(2)、以“ e ”结尾的动词,只在词尾加“ d ”。

live---lived---lived ,

(3)、以“辅音字母+ y ”结尾的动词,将 "y" 变为 "i" ,再加“ ed ”。

study---studied---studied ,cry---cried---cried

(4)、重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。

stop---stopped---stopped , drop---dropped--dropped

2、不规则动词:

do---did---done go---went---gone come---came---come

have---had---had see---saw---seen be---was/were---been

句型转换:

1. He has already gone home.

___________________________________________ (否定句) ___________________________________________ (疑问句) ________________(肯定回答)________________(否定回答) 2. He has had lunch at home.

___________________________________________ (否定句) ___________________________________________ (疑问句) ________________(肯定回答)________________(否定回答) 3. He has finished his homework. (划线提问)

_____________________________________________

4. I have had lunch at school. (划线提问)

_____________________________________________

5. I _______ told him the news.(have/has)

6. She ________ come back from school.(have/has)

7. He has visited the Great Wall. (划线提问)

_____________________________________________

8. She has studied English for many years. (划线提问)

_____________________________________________

9. Tom has seen the film. (划线提问)

_____________________________________________

10. I have washed the clothes.( 划线提问)

_____________________________________________

现在完成时(2)

表示在过去不确定的时间里发生的对现在造成影响的动作或结果, 常与时间副词already(已经),yet(还、已经),just(刚刚、仅仅) ,ever(曾经),never (从不),before(以前)等连用。

1. already意为“已经”,通常用于肯定句中,可放在助动词之后,过去分词之前,也可以放在句末。实例:

I’ve already read this book.

I’ve washed my clothes already.

2. yet用在疑问句中意为“已经”,用在否定句中意为“还”,常放在句末。实例:—Has he found his watch yet ?

—No,not yet.

The woman hasn't found her dog yet .

3. just意为“刚刚”,表示行为刚刚过去,常放在助动词与过去分词之间。实例: He has just come back from school.

4. ever意为“曾经”,放在助动词与过去分词之间。实例:

Have you ever been to Hong Kong ?

I haven’t ever spoken to her.

5. never意为“从来没有”常与before连用(before要放在句尾,而never多放在

助动词与过去分词之间。实例:

I have never travelled by plane before.

6. before意为“以前”,指过去不确定的某个时间,总是放在句末,不受句型的

限制。实例:

Have you ever been to Hainan before ?

I haven’t eaten Guangdong food before.