第9题怎么看出是用did还是do

第9题怎么看出是用did还是do 现在完成时怎么用do强调,就是do应该用何种形式,do还是did……? do did does怎么用?你听说过吗?Do you heard that?还是Did you heard that?还是does...that 怎么快速看出是质数还是合数? 用do/did表示“确实”的意思时怎么判断人称时态如“他的确知道”是 he does konw 还是 he does knows ,或者说“我过去的确知道”是 I did know 还是 I did known do、 did、 does后面的动词的问题do、 did、 does后面的动词要接原型,是其后的第一个动词用原型呢,还是其后的所有动词都用原型?还有就是,不管是陈述句还是疑问句,do、 did、 does后面的动词都 现在完成时用do还是did提问? he ___(do) the work this afternoon是用will do 还是 did 怎样容易看出这道应用题该用除法还是乘法,容易看出单位一是哪一个怎么搞也搞不懂 英语Whay did you do today?回答时态Whay did you do today?回答是用：过去时 还是 过去分词 还是 一般现在时 还是 现在进行时? 佛教怎么看出人的前世?佛教怎么看出人的前世是富贵还是贫贱? since when did/do you become so diligent是did 还是do?为啥 DO,DID,DOES怎么用的啊 what _ you _ (do) every sunday到底是填did do还是do do 如果是过去式,是just did 还是 just do sth When did you go to sleep?这句话对吗?还是When do you go to sleep?did和do该怎么用啊? why did you leave me?用do 还是did..1.why did /do you leave me?用do 还是did..谢 DO .IS ...过去式是Did...was...还是Did...is...DO .IS ...过去式是Did...was...还是Did...is..举个例,方便理解