关于DO和ARE的详细用法与区别
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/10/06 15:34:38
经常会有这样的题,考察到关于DO和ARE的详细用法与区别,希望老师给予详细解答,谢谢
解题思路: 如下
解题过程:
在一般现在时态中,当句子中有动词时,我们就用助动词do或是does.如果没有动词时,我们就选用is或是are,也就是“Be”。除了原形的“be”之外,还有另外七种形式:am, is, are, been, being, was, were.
在句子中,“be”可以是主动词或助动词.
当主动词时,“be”在性质上属于接系动词, 后面要有名词、形容词、地方副词或短语作补足语。例如:
1. The man is a science teacher.
2. Mary's new dresses are colourful.
3. I have been there before.
4. Mother is in the kitchen now.
这四个都是陈述句,可以变成疑问句,方法简单,把主语和“be”或助动词对换位置即可:
5. Is the man a science teacher?
6. Are Mary's new dresses colourful?
7. Have I been there before?
8. Is mother in the kitchen now?
当“be”要在祈使句中出现时,它必须借重助动词“don't”之助,如:
9. Don't be silly!
10. Don't be late!
11. Don't be a fool!
“Be”有两种缩写法,如下:
12. He's not...../He isn't....
13. You're not...../You aren't...
但“am + not”的缩写法只有一个:
14. I'm not.
谈过了“be”作主动词的功能,现在看看“be”作助动词时,有些什么用法:
1.“Be + 现在分词”以组成进行式时态,如:
15. Tony's mom is washing his new car.
16. The children are playing in the field.
17. Samuel was eating when I came in.
18. We have been living here since 1959.
2.“Be + 过去分词”以组成被动语态,如:
19. Her money in the drawer was stolen.
20. A number of good jobs are taken up byforeigners.
21. David studied in Taiwan but has been trained as a language lecturer in America.
22. Can all the wonderful birds be found in our Bird Park?
23. The boy was told to stand out- side the classroom.
24. Steps are being taken to reduce traffic con- gestion during peak hours.
25. Dishonest students will be immediately dealt with.
当陈述句的谓语是实义动词时,助动词do通常用于疑问句和否定句中。其单三形式为does,过去式是did,如:
I go to school every day.
我每天上学。
Do you go to school every day?
你每天都上学吗?
I don”t go to school every day.
我不是每天都上学。
另外,助动词do还可用于强调句中,用于强调谓语动词。如:
将助动词do及do 的相应形式放于动词前,而动词要用原形。又如:
I did tell him.
我的确告诉他了。
He does like playing football. 他的确喜欢踢球。
其余时候do作动词原形,表示做.例如:I do my homework every day .我每天都做作业。
最终答案:略
解题过程:
在一般现在时态中,当句子中有动词时,我们就用助动词do或是does.如果没有动词时,我们就选用is或是are,也就是“Be”。除了原形的“be”之外,还有另外七种形式:am, is, are, been, being, was, were.
在句子中,“be”可以是主动词或助动词.
当主动词时,“be”在性质上属于接系动词, 后面要有名词、形容词、地方副词或短语作补足语。例如:
1. The man is a science teacher.
2. Mary's new dresses are colourful.
3. I have been there before.
4. Mother is in the kitchen now.
这四个都是陈述句,可以变成疑问句,方法简单,把主语和“be”或助动词对换位置即可:
5. Is the man a science teacher?
6. Are Mary's new dresses colourful?
7. Have I been there before?
8. Is mother in the kitchen now?
当“be”要在祈使句中出现时,它必须借重助动词“don't”之助,如:
9. Don't be silly!
10. Don't be late!
11. Don't be a fool!
“Be”有两种缩写法,如下:
12. He's not...../He isn't....
13. You're not...../You aren't...
但“am + not”的缩写法只有一个:
14. I'm not.
谈过了“be”作主动词的功能,现在看看“be”作助动词时,有些什么用法:
1.“Be + 现在分词”以组成进行式时态,如:
15. Tony's mom is washing his new car.
16. The children are playing in the field.
17. Samuel was eating when I came in.
18. We have been living here since 1959.
2.“Be + 过去分词”以组成被动语态,如:
19. Her money in the drawer was stolen.
20. A number of good jobs are taken up byforeigners.
21. David studied in Taiwan but has been trained as a language lecturer in America.
22. Can all the wonderful birds be found in our Bird Park?
23. The boy was told to stand out- side the classroom.
24. Steps are being taken to reduce traffic con- gestion during peak hours.
25. Dishonest students will be immediately dealt with.
当陈述句的谓语是实义动词时,助动词do通常用于疑问句和否定句中。其单三形式为does,过去式是did,如:
I go to school every day.
我每天上学。
Do you go to school every day?
你每天都上学吗?
I don”t go to school every day.
我不是每天都上学。
另外,助动词do还可用于强调句中,用于强调谓语动词。如:
将助动词do及do 的相应形式放于动词前,而动词要用原形。又如:
I did tell him.
我的确告诉他了。
He does like playing football. 他的确喜欢踢球。
其余时候do作动词原形,表示做.例如:I do my homework every day .我每天都做作业。
最终答案:略
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