afraid作及物动词时：直接加宾语to do sth.
afraid作不及物动词时：加介词of才能加doing sth.作宾语
learn是及物动词：加to do sth.作宾语
初学者记住这些搭配,时间长了就熟悉了
be afraid to do、learn to do ,be afraid of doing 为什莫这样用?老师上课讲
1个回答
相关问题
-
be afraid to do sth be afraid of doing sth
-
be afraid to do 与 be afraid of doing 的区别
-
be afraid to do和be afraid of doing的区别,
-
be afraid to do 与 be afraid of doing 有什么区别?
-
be afraid to do 和 be afraid doing 的区别?
-
Be afraid of doing sth或to do sth
-
请问be afraid to do 和be afraid doing 有什么区别?
-
be afraid of doing sth be busy doing sth be glad to do buy s
-
be afraid of doing 和be afraid of do的区别
-
be afraid of doing sth和 be afraid