是pretend do sth 还是pretend to do sth(假装做某事)

是pretend do sth 还是pretend to do sth(假装做某事) “pretend”的用法是什么?比如说:是加to do sth,还是doing sth pretend doing 还是to do … pretend to do sth … pretend to be doing sth … pretend to have done sth的区别. … pretend to do sth … pretend to be doing sth … pretend to have done sth 的区别是什么、 pretend to do sth 和pretend to be doing sth造句 must 后面是加to do sth.还是do sth. 是should to do sth 还是 should do sth? 是can to do sth.还是can do sth. 是had better do sth还是have better do sth it 后面动词是do sth.还是to do sth. 是take action do sth还是to do sth? try one's best 是to do sth还是doing sth还是do sth 是want to do sth and do sth还是want to do sth and to do sth? 是mind to do sth还是mind doing sth? worry about 是doing sth还是to do sth 到底是learn to do sth还是learn doing sth 是 stand doing sth.还是stand to do sth