动词才需要加ing吗（动词什么时候加ing）

动词才需要加ing吗（动词什么时候加ing）The boy is so excited about hearing from his mother.我期盼着再次见到你.They've been waiting for you for three hours.他们等你三个小时了.I'm looking forward to seeing you again.

一、动词加ing做谓语情况做谓语时动词加ing前面必须加上be动词 形成be 动词ing(现在分词)作句子谓语，构成进行时态句子。例如:

He is reading a book now.

他正在看书.

He was watching TV when his mother came in.

他妈妈进来时，他正在看电视。

They've been waiting for you for three hours.

他们等你三个小时了.

二. 动词加ing做非谓语情况：①动词作介词的宾语要加ing(动名词)

I'm looking forward to seeing you again.

我期盼着再次见到你.

The boy is so excited about hearing from his mother.

男孩为收到他妈妈的来信很兴奋。

②部分动词用动词做宾语。做宾语的动词要加ing(动名词)

I Practising speaking English Every day.

我每天练习说英语.

Could you mind opening the door?

你介意开门吗？

I have finished reading three books.

我已经看完三本书.

The old man Enjoys living in the country.

这老人喜欢住在农村.

③一些固定句式后面要加动词ing(现在分词)

We have fun Playing in the park on Sunday.

Most students have problems speaking English.

④动词修饰名词做后置定语时，要加ing(现在分词)

There is a boy Crying over there.

I felt something moving in the house.

I heard someone singing in the next room.

⑤动词做主语和表语时，动词要加ing(动名词)

Swimming is very popular in summer.

His job is teaching English.

综上所述，动词在以上六种情况需要加ing！

来源于网络！