while后面一定要接doing吗?

while后面一定要接doing吗? while后面一定要接doing吗? while后面只能是doing形式吗? when和while后面可以直接加动名词的短语吗,比如when/while doing sth 介词后面一定要用doing么? hate后面一定要加doing吗 什么时候后面要加to do? while做“当.的时候”时后面一定是be+doing吗?人称在前而“while”后没有人称时是不是只加doing呢? regret not 后一定要接doing吗? My brother was reading while I did my homework.while后面不是接延续性动词吗,为何用did my homework?My brother____ while I ____.A.reads;was doing my homework B.read;did my homeworkC.was reading;was doing my homework D.was reading;did my ho while后面只能是doing形式吗?如果还有其他形式,请说一下加的是什么形式的东西, prefer doing 后面一定要加 to doing prefer doing 不能和prefer to do 一样么? while 后可直接+doing吗? 为什么be addicted to 后面一定要加doing 引导词是while的句子,后面若有动词,那它一定要用ING形式吗? any后面一定要接名词复数吗? “until”后面一定要接延续性动词吗 without 后面是不是接doing 英语：after后面接doing?