1、表示过去发生的动作对现在造成的影响或结果.常与already, just, ever, never, before等词连用. 如:
She has never read this novel.他从未读过这本小说.(他对小说的内容不了解)
5.现在完成时
1) 现在完成时的构成:have / has + v-ing
2)现在完成时态的肯定句、否定句和疑问句形式(以be和see为例):
|
主 语 |
肯 定 式 |
否 定 式 |
疑 问 式 |
|
第一、二人称和第三人称复数以及名词复数 |
I /We/You/ They have
been here before. He/ She has been here before. .I / We/ You/ They/ Many people have seen the film. |
I /We/You/ They haven’t been here before. He/ She hasn’t been here before . .I / We/ You/ They/ Many people haven’t seen the film. |
Have you/ they been here before? Has he/ she been here before? Have you/ they/ many people seen the film? |
在完成时的用法:
3.He promised to tell me by himself when I ______.
A. come B. would come C. come D. had come
解析:在时间状语从句中,用一般过去时表示过去将来。应选C。
2.---Hi, Tom.
---Hello, Fancy. I ______ you were here.
A.don’t know B.won’t think C. think D. didn’t know
解析:虽然句中没有明确的时间状语, 但是可以通过上下文语境判断出, 这句话指的是我这段时间并不知道, 你前一阵子在这儿。 所以应选A。
1. r. Mott is out. But he ______ here a few minutes ago.
A. was B. is C. will be D. would be
解析:时分钟前发生的动作, 应该用一般过去时。 应选 A,
3. 常用于一般过去时的时间状语:
yesterday,three months ago,last year,in 1979,often,always等。
例题解析:举一反三,学的更轻松!
2. 过去存在的状态。例如:
They weren't able to come because they were so busy.
1. 过去发生的动作。例如:
The police stopped me on my way home last night.
4.一般过去时
1)一般过去时的构成:
用动词的过去式。作谓语的行为动词的词尾变化如下:
|
一般情况 |
+ed |
|
以e字母结尾的辅音 |
+d |
|
以辅音字母+y结尾 |
去y变i+ed |
|
重读闭音节结尾的单词,末尾只有一个辅音字母 |
双写词尾字母+ed |
2)一般过去时态的肯定句、否定句和疑问句形式(以be和like为例):
|
主 语 |
肯 定 式 |
否 定 式 |
疑 问 式 |
|
第一、二人称和第三人称复数以及名词复数 |
I was a student. We/You/ They were students. He/ She was a student. I / We/ You/ They/ liked music. Many people liked music. |
I was not a student. We/You/ They were not students. He/ She was not a student. I / We/ You/ They/ didn’t like music. Many people didn’t like music. |
Were you a student. Were you/ they students? Was he/ she a student? Did you/ they like music? Did many people like music? |
3)一般过去时的用法:
3. We Chinese ______ the Olympic Games in 2008.
A. held B. shall holding C. are holding D. are going to hold
解析:本题的时间状语是将来的时间, 所以选用一般将来时,A、D都删去。shall后面应跟动词原型,
故应选D.
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