初中英语 人教版九年级第四单元语法总结

2023年12月24日发(作者：头雁效应)

ud to do sth. be/get ud to sth. / doing sth. be ud to do sth.

ud to do

ud to do sth.过去常常做某事”，现在已经不再这样做了，

否定句

Sb+didn't u to或Sb+ ud not to。

一般疑问句

Did sb u to do+其他? 或 Ud sb to do+其他?

特殊疑问句

特殊疑问词+ did sb u to do+其他?

例：I ud to live in London.

我曾经在伦敦居住过。

否定句

I ud not to live in London.

I didn't u to live in London.

一般疑问句

Did you u to live in London?

Ud you to live in London?

特殊疑问句

Where did you u to live ?

其中，be ud to doing sth.表示“习惯于做某事”，be ud to do sth.表示“被用来做某事”。

She is ud to drinking soup before a meal.

她习惯于饭前喝汤。

Wood is ud to make paper.

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木材被用来造纸。

be ud to do

be ud to do sth.=be ud for doing sth. 被用来做某事。例如：

A watch is ud to tell the time.=

A watch is ud for telling the time.手表被用来看时间。

be/ get ud to (doing)

be/ get ud to (doing) sth. 习惯(做)某事

他现在习惯住在乡下了。

You should get/ be ud to it.

你应该习惯它。

动名词作主语的用法:

动名词作主语常表示经常性、习惯性的动作，动名词的一般形式为doing，

在句子中可以作主语、宾语、表语、定语。作主语时，谓语常常用单数。

Seeing is believing. 眼见为实。

Collecting information is very important to business man.

收集信息对于商人来说很重要。

在一些句子中，常用 it 作形式主语，将动名词放在句子后面。此类句型有：

1) It is + no u/no good/no fun/a great pleasure/a waste of time等名词+doing sth.

It is no good crying. 哭没有好处。

It is no u fixing. 修也没有用。

It is great fun traveling. 旅行很有趣。

It is a waste of time playing computer games. 玩电脑游戏是浪费时间。

2) It is + uless/nice/good/interesting/enjoyable等形容词+doing sth.

It is uless crying. 哭没有用。

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It is nice meeting you again. 真高兴再次见到你。

It is interesting sailing with you. 和你一起航海真有趣。

动名词作宾语的用法：

1. 有些动词后面只能接动名词作宾语，如：practi, enjoy, suggest, mind, admit,

deny, avoid, finish, advi, can't help, miss, consider, escape, permit, imagine, keep

She enjoys reading.

2. 动词+介词后面只能接动名词，如：put off, look forward to, feel like, have trouble/

difficulty (in), get/ be ud to, pay attention to, be worth等。

The book is worth reading. 这本书值得读。

3. 介词后面接动名词，如what about，how about，without，be good at等。

What about going for a picnic tomorrow?

明天去野餐怎么样？

【注意】

4 .to可作为介词，其后接动名词作宾语：

常见的含介词to的词组有：

to doing sth. 把……献给做某事

pay attention to doing sth. 注意做某事

be/get ud to doing sth. 习惯于做某事

look forward to doing sth. 盼望做某事

例：We are looking forward to taking part in the opening ceremony of the art to be

held next week.

我们盼望能参加下星期举行的艺术节开幕式。

5 省略介词in的情况：

spend time (in) doing sth. 花费时间做某事

have difficulty/trouble (in) doing sth. 做某事有困难

have a good/hard time (in) doing sth. 做某事很愉快/艰难

例：I spent half an hour doing my homework.

我花了半小时写作业。

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三、动名词作表语

动名词作表语，常表示主语的内容，而不是主语的性质或特征。

主语+系动词+doing+其他。主语常可以和表语互换位置。

例：My hobby is collecting old coins. =

Collecting old coins is my hobby.

我的爱好是收集旧硬币。

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