pretend to do 和pretend to be doing有什么区别.

pretend to do 和pretend to be doing 有什么区别? pretend to do 和pretend to be doing有什么区别. pretend to do 和pretend doing 有啥区别 pretend to be doing … pretend to do sth … pretend to be doing sth … pretend to h pretend to do sth 和pretend to be doing sth造句 pretend的用法为什么有的时候用pretend to be doing,而有是却用pretend to do 比如： pretend doing 还是to do 英语造句1.dream of 2.pretend to be/do sth3.pretend to be +doing pretend to read 与pretend to be reading区别 pretend to be asleep和pretend to be sleeping pretend to be sleep 和pretend to be sleeping