pretend to do 和pretend doing 有啥区别

pretend to do 和pretend doing 有啥区别 pretend to do 和pretend to be doing有什么区别. pretend to do sth 和pretend to be doing sth造句 pretend doing 还是to do To pretend do not love pretend to be asleep和pretend to be sleeping chance/happen/seem/appear/pretend to do Why pretend to love do not care? 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 to be reading,pretend to sleep … 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、 是pretend do sth 还是pretend to do sth(假装做某事) I pretend you do not care I pretend to loss of rt pretend to do 和pretend to be doing 有什么区别?When the father came home,the naughty boy pretended___ his homework?A to do B to be doing C doing D being done 应该选哪个呢? Why pretend to love do not care?那怎么说- - pretend to be sleep 和pretend to be sleepingpretend to be sleep 和pretend to be sleeping 有什么区别吗~ pretend to be doing pretend后加doing,还是do,还是to do都可用的话区别在哪?