7.be on the point of+動名詞表示正要,即將去做某事。
I was just on the point of going when he came in.
他進來的時候我正要走。
8.be engaged表示從事于、忙于,后接一動作時,常用in+動名詞表示,in可省略。
He is engaged (in) compiling a grammar book.
他在忙于編寫一本文法書。
9.be busy表示忙于,后接一動作時,常用in+動名詞表示,in??墒÷?。
She is busy (in) looking after her sister.
她在忙于照料她妹妹。
I am busy (in) cleaning the room.
我在忙于打掃房間。
10.在名詞difficulty,trouble等后面,??捎胕n+動名詞作修飾語,in??墒÷?。
I had no difficulty (in) recognizing her.
我毫無困難地認出了她。
No, I will have no difficulty (in) deciding.
不,我將毫無困難地做出決定。
11.have a time表示費事、費勁,其后常可接in+動名詞,in??墒÷浴ime前還??杉觛ood, hard, difficult等形容詞。
She had a time (in) trying to get the naughty children to go to bed.
她費了好大勁才設(shè)法讓淘氣的孩子們?nèi)ニX。
I had a hard time finding you.
我好不容易才找到你。
12.在be no good, be any good, be no use, be not any use后面雖可接不定詞但在公認的用法中要接動名詞。
It's no good my arguing with you.
和你辯論沒有用。
It's no use asking him.
問他沒有用。
I was just on the point of going when he came in.
他進來的時候我正要走。
8.be engaged表示從事于、忙于,后接一動作時,常用in+動名詞表示,in可省略。
He is engaged (in) compiling a grammar book.
他在忙于編寫一本文法書。
9.be busy表示忙于,后接一動作時,常用in+動名詞表示,in??墒÷?。
She is busy (in) looking after her sister.
她在忙于照料她妹妹。
I am busy (in) cleaning the room.
我在忙于打掃房間。
10.在名詞difficulty,trouble等后面,??捎胕n+動名詞作修飾語,in??墒÷?。
I had no difficulty (in) recognizing her.
我毫無困難地認出了她。
No, I will have no difficulty (in) deciding.
不,我將毫無困難地做出決定。
11.have a time表示費事、費勁,其后常可接in+動名詞,in??墒÷浴ime前還??杉觛ood, hard, difficult等形容詞。
She had a time (in) trying to get the naughty children to go to bed.
她費了好大勁才設(shè)法讓淘氣的孩子們?nèi)ニX。
I had a hard time finding you.
我好不容易才找到你。
12.在be no good, be any good, be no use, be not any use后面雖可接不定詞但在公認的用法中要接動名詞。
It's no good my arguing with you.
和你辯論沒有用。
It's no use asking him.
問他沒有用。

