初一英语语法大全 不要光讲道理的 比如说什么情况用doing什么情况用do thanks

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 20:22:47
初一英语语法大全 不要光讲道理的 比如说什么情况用doing什么情况用do thanks

初一英语语法大全 不要光讲道理的 比如说什么情况用doing什么情况用do thanks
初一英语语法大全 不要光讲道理的 比如说什么情况用doing什么情况用do thanks

初一英语语法大全 不要光讲道理的 比如说什么情况用doing什么情况用do thanks
这些固定搭配 需要平时多积累.
给你一些固定的 但可能不会非常全 需要你自己进行整理和记忆.
1.需要省略to的不定式的情况有:
1) 情态动词 ( 除ought 外) 后.
2) 使役动词 let, have, make后,感官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后.
注意:被动语态中不能省去to.例如:
I saw him dance. 我看见他跳舞.
=He was seen to dance.
The boss made them work the whole night. 老板让他们整夜干活.
=They were made to work the whole night.
3) would rather,had better句型后
4) Why… / why no…句型后
5) help 后可带to,也可不带to, help sb (to) do sth:
6) but和except后.but前是实义动词do时,后面出现的不定式不带to.
比较:He wants to do nothing but go out. 他只想出去玩.
He wants to believe anything but to take the medicine. 除了吃这药,他什么都信.
7) 由and, or和than连接的两个不定式,第二个to 可以省去:
8) 通常在discover, imagine, suppose, think等词后作宾补时,可以省去to be.例如:
He is supposed (to be) nice. 他应该是个好人.
2.一些重要的区分:
1) stop doing/to do
stop to do 停止,中断做某事后去做另一件事,stop doing 停止做某事.例如:
They stop to smoke a cigarette. 他们停下来,抽了根烟.
I must stop smoking. 我必须戒烟了.
2)forget doing/to do
forget to do 忘记要去做某事,forget doing 忘记做过某事.例如:
The light in the office is stil on. He forgot to turn it off. 办公室的灯还在亮着,他忘记关了.(没有做关灯的动作)
He forgot turning the light off. 他忘记他已经关了灯了.(已做过关灯的动作)
3)remember doing/to do
remember to do 记得去做某事,remember doing 记得做过某事.例如:
Remember to go to the post office after school. 记着放学后去趟邮局.
Don't you remember seeing the man before? 你不记得以前见过那个人吗?
4)regret doing/to do
regret to do 对将要做的事遗憾,regret doing 对做过的事遗憾、后悔.例如:
I regret to have to do this, but I have no choice. 我很遗憾必须这样去做,我实在没有办法.
I don't regret telling her what I thought. 我不为告诉她我的想法而后悔.
5)cease doing/to do
cease to do 长时间,甚至永远停做某事,cease doing 短时停止做某事,以后还会接着做.例如:
That department has ceased to exist forever. 那个系已不复存在.
The girls ceased chatting for a moment when their teacher passed by. 姑娘们在老师走过时,停了会聊天
6)try doing/to do
try to do 努力,企图做某事,try doing 试验,试着做某事.例如:
You must try to be more careful. 你可要多加小心.
I tried gardening but didn't succeed. 我试着种果木花卉,但未成功.
7)go on doing/to do
go on to do 做了一件事后,接着做另一件事,go on doing 继续做原来做的事.例如:
After he had finished his maths,he went on to do his physics. 做完数学后,他接着去做物理.
Go on doing the other exercise after you have finished this one. 作完这个练习后,接着做其他的练习
8)be afraid doing/to do
be afraid to do 不敢,胆怯去做某事,是主观上的原因不去做,意为"怕",be afraid of doing 担心出现doing的状况、结果.doing 是客观上造成的,意为"生怕,恐怕".例如:
She was afraid to step further in grass because she was afraid of being bitten by a snake.
她生怕被蛇咬着,不敢在草丛中再走一步.
She was afraid to wake her husband. 她不敢去叫醒她丈夫.
She was afraid of waking her husband. 她生怕吵醒她丈夫.
9)be interested doing/to do
interested to do 对做某事感兴趣,想了解某事,interested in doing 对某种想法感兴趣,doing 通常为想法.例如:
I shall be interested to know what happens. 我很想知道发生了什么事.(想了解)
I'm interested in working in Switzerland. Do you have any idea about that?
我对在瑞士工作感兴趣.你想过这事吗? (一种想法)
10) mean to doing/to do
mean to do 打算、想,mean doing 意味着.例如:
I mean to go, but my father would not allow me to. 我想去,但是我父亲不肯让我去.
To raise wage means increasing purchasing power. 增加工资意味着增加购买力.
11)begin(start) doing/to do
begin / start to do sth /begin / start doing sth.
a) 谈及一项长期活动或开始一种习惯时,使用doing.例如:
How old were you when you first started playing the piano? 你几岁时开始弹钢琴?
b) begin, start用进行时时,后面动词用不定式to do.例如:
I was beginning to get angry.我开始生起气来.
c) 在attempt, intend, begin, start 后接know, understand, realize这类动词时,常用不定式to do.例如:
I begin to understand the truth.我开始明白真相.
d) 事物作主语时.例如:
The snow began to melt.雪开始融化了
12)感官动词 + doing/to do
感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do表示动作的完整性,+doing 表示动作的进行性.例如:
I saw him work in the garden yesterday. 昨天我看见他在花园里干活了.(强调"我看见了"这个事实)
I saw him working in the garden yesterday.(强调"我见他正干活"这个动作)昨天我见他正在花园里干活.would to do sth
3.固定搭配:
want to do sth
like doing sth
enjoy doing sth
go on to do(doing)都是继续做某事但有区别:
go on to do是结束一件事继续做别的事
go on doing是继续做同一件事
enjoy,suggest,practice,consider,finish,spend后面接doing sth.
forget doing sth 指忘记做过某事
forget to do sth 指忘记去做某事
stop doing sth 指停止做某事
stop to do sth 指停止下来,去做另一件事

doing现在进行时就是说正在做的时候用doing,do就不那么强调,用法就没那么劳套

初中没几多语法,掌握第三人单数,there be,定语从句就够了