小学英语五年级知识点汇总_五年级英语知识点归纳总结
小学英语五年级知识点汇总_五年级英语知识点归纳总结
五年级是小学学习的攻坚期,其中英语的语法也到了开始有点复杂的时期,同学们需要认真学习才能提高英语成绩。下面小编给大家分享小学英语五年级知识点汇总,希望对大家有所帮助。
小学英语五年级知识点汇总
在过去的时间里,两个动作中,发生在前的那个动作要用过去完成时。
结构:had+过去分词
After she had finished her homework, she went shopping.
They had sold the car before I asked the price.
The train had left before I arrived at the station.
After/before引导的时间状语从句放在句首要在句子后面加逗号,如果放在主句后则不用加。
1. 变疑问句将助动词移到句首. Had she finished her homework?
2. 变否定句在助动词后面加not. She hadn’t finished her homework.
3. 肯定回答及否定回答. Yes, she had. No, she hadn’t.
4. 特殊疑问句: What had she done?
构成:主语+助动词have, has+过去分词
用法: 1) 表示过去发生的和现在有某种联系的动作,常和just, usually, already, since等时间副词连用
I have just had lunch. (饱了,不用再吃了)
He has had a cup of tea.(不渴了,不用再喝)
They have already had their holiday. (不能再度假了)
The boy has already read the book. (已经知道书的内容了,不用再看了)
2) 询问别人是否做过某事一般用现在完成时:
Have you finished your homework?
Have you been to Beijing?
Have he seen the film?
3) 表示开始于过去并持续到现在的动作
I have lived in Beijing for twenty years.
I have worked for this school for 1 year.
4) 表示一种经历,经验:去过…地方,做过…事情,经历过…事情
I have never had a bath.
I have never seen a film.
I have never been to cinema.
I have ever been to Paris.
Have been to表示去过,have gone to 表示去了
I have been to London.(人已经回来)
He has gone to London.(人还在那里)
5) 表示一种结果, 一般不和时间副词联用
I have lost my pen.
I have hurt myself.
He has become a teacher.
She has broken my heart.
句型变化:★变疑问句将助动词移到句首,变否定句在助动词后面加not.
Have you lost your pen? I have not lost my pen.
★肯定回答及否定回答
Yes, I have. No, I have not.
★特殊疑问句:
What have you done?
What has he done?
一般过去时与现在完成时的区别:凡是有明确的表示过去的时间状语的句子为过去时。
注意:有些动词表示的动作有一个终点,不能再延续,因此不能和表示一段时间状语连用.
错:I’ve left Beijing for 3 days.
对:I left Beijing 3 days ago. I have been away from being for 3 days.
表示过去发生的动作或事件, 常和表示过去的时间状语连用,如yesterday, last night, the day before yesterday, 3 days ago,
含有be动词的句子, 将动词变为过去式,am, is的过去式为was,are的过去式为were.如:I was at the butcher’s.
You were a student a year ago.
The teacher was very beautiful ten years ago.
★变疑问句将be动词移动到句首
Were you at the butcher’s?
Were you a student a year ago?
Was the teacher very beautiful ten years ago?
★变否定句在be动词后面加not
I was not at the butcher’s.
You were not a student a year ago.
The teacher was not very beautiful ten years ago.
★肯定回答否定回答
Yes, I was. No, I was not.
Yes, you were. No, you were not.
Yes, he/she was. No, he/she was not.
★特殊疑问句:
What did you do? (必背)
不含有be动词的句子,将动词变为过去式
I finished my homework yesterday.
The boy went to a restaurant.
The Sawyers lived at King Street a year ago.
★变疑问句在句首加did, 动词变为原型
Did you finish your homework yesterday?
Did the boy go to a restaurant?
Did the Sawyers live at King Street a year ago?
★变否定句在主语和动词之间加did not
I did not finish my homework yesterday.
The boy did not go to a restaurant.
The Sawyers did not live at King Street a year ago.
★肯定回答及否定回答
Yes, I did. No, I didn’t.
Yes, he did. No, he didn’t.
Yes, they did. No, they did not.