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初一上册英语单词什么后面直接加ing?

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在初一上册英语中,以下情况需要在动词后加 -ing 形式(即现在分词):

一、现在分词作谓语

构成现在进行时态,结构为:

be动词(am/is/are/was/were) + 动词ing

例如:

I am reading a book.

She is playing the piano.

二、动名词作介词宾语

当动词与介词搭配时,需用动名词形式。例如:

look forward to(期待):

I look forward to visiting my grandparents.

be interested in(对...感兴趣):

He is interested in science.

have trouble with(在...有困难):

The students have trouble understanding the problem.

三、动名词作主语

例如:

Swimming is good for health.

Reading books improves vocabulary.

四、动名词作宾语或表语

例如:

My hobby is dancing.

He found the movie interesting.

五、其他常见用法

固定句式

There is/are doing(主动语态)

There is doing homework on the table.

have fun(玩得开心):

We had fun at the park.

感官动词后

see

I saw a beautiful sunset.

hear

I heard a strange noise last night.

常见需注意的动词

部分动词的现在分词与过去分词同形(如 read),需通过上下文区分。例如:

read(主动):

She is reading a magazine.

readied(被动):

The book is ready for you.

建议结合具体语法结构判断,通过大量练习巩固掌握。