be+good+at后面加動(dòng)詞的ing形式，即動(dòng)名詞形式，be+good+at+doing+sth.的意思是“擅長做某事”，當(dāng)你想英語表示某人擅長做某事，就可以用這個(gè)短語來表示。

be good at后面加動(dòng)詞什么形式

be good at加名詞，介詞賓格或名詞性短語，非常重要的便是如接動(dòng)詞要加動(dòng)詞的ing形式.

如I am good at teaching English.I am good at football.

be good at后面要接名詞、動(dòng)名詞或名詞/動(dòng)名詞短語，

例句：John is good at swimming and basketball.

It is important that we try to be good at everything we do.

I have a shrill voice. I'll never be good at singing.

I am good at chess， but not checkers.

be good at同義短語

1、be skilled in

讀音：英[bi sk?ld ?n]，美[bi sk?ld ?n]。

釋義：在…方面熟練；擅長；精通。

例句：A process is required for this and managers must be skilled in using it.

這需要一個(gè)過程，管理者必須熟練使用。

2、be expert in

讀音：英[bi ?eksp??t ?n]，美[bi ?eksp??rt ?n]。

釋義：在……方面是行家。

例句：Travel them, and be expert in home-cosmography.

那么去旅行，成為家庭宇宙志的地理專家。

3、do well in

讀音：英[du? wel ?n]，美[du? wel ?n]。

釋義：擅長；在……方面做得好；在……干得好。

例句：He will do well in that work because he has a lot on the ball.

他會(huì)做好這件事，因?yàn)樗苡幸皇帧?/p>