用happen,happening,happened造句

用happen,happening,happened造句 happen可以用进行时吗?比如说..was happening? happen,happens,happening有什么不同? 为什么有时happen用助动词进行提问,而有时则不用?如：What will happen...What happened...What did happen...What was happening. what is happening 发生,有这个表达么?happen 可以用进行时么?这句话咋翻译 What's that noise?What (is happening)?请问这里happen为什么要用现在进行时呢? happen的现在分词是什么是happening还是happenning Never Gonna Happen [what's happening mix] 歌词 a terrible thing is (happen) A.happen B.happened C.happening要被动语态吗？ We can not have that sort of thing happen/happened/to happen/happening选哪个? People must plant trees to prevent sandstorm_____ A from happening B to happen C happen A woman saw it ()when she was walking()A.happening;past B.happen;passedC.happen;past D.to happen;passed he didn't know what was happening outside 为什么用的是was happening,而不用what happened outside我们学过过去进行时要用延续性动词,可happen是一个非延续性动词, The mother who lost her son insisted the careless driver was to blame for the traffic accident happening yesterday.请问下happening能换成happened吗?为什么happen做非谓语动词不是可以用过去分词的吗？ 吩咐用英语怎么说多种说法,取最正式的,指医生吩咐病人做某事something interesting ( )happened/happen/happens/happening哪个正确,理由是什么 There was an accident___(happen) in the morning能详细说明用happening的原因吗? 这不是过去进行呀! I will not have this kind of thing(happening to)him again.为什么happen用doing的形式呢还有啊,谢谢你的耐心回答 happen to ,happen 怎么用?