pretend to be sleep 和pretend to be sleepingpretend to be sleep 和pretend to be sleeping 有什么区别吗~

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 be sleep 和pretend to be sleepingpretend to be sleep 和pretend to be sleeping 有什么区别吗~ 假装睡觉可以表达成pretend to sleep,与pretend to be asleep有何不同? pretend to be doing When mother cslls me,I always pretend to be ____ (sleep) pretend to be asleep和pretend to be sleeping 英语翻译 Pretend to be upset pretend to be not care Pretend to be culture是什么意思? pretend to read 与pretend to be reading区别 pretend to be done是什么时态?pretend to be doing pretend to have done pretend to have been done呢? o you have to pretend to be He__always__(pretend)to be an honest man. A little girl,pretend to be mature! we are what we pretend to be ..... 解释下面词组pretend to be asleep Very Pain but Pretend to be Don't pretend to be like