关于语法they may have lostthey may have lost这句话里may是helping verb吗 那have呢?

关于语法they may have lostthey may have lost这句话里may是helping verb吗 那have呢? do they have语法对吗? yes they may have done 为什么不能用can How many students have (they)birthdays in May? 选哪个?请分析为什么这样选并说出相关的语法点We didn't see him at the lecture yesterday. He (can't have attended/needed have attended) it.They (can have missed /may have missed ) the plane,or perhaps they have been prevented from 求语法中关于have的用法 They have a school trip on May 16th.对 May 16th提问 求英语高手识别一下这三道题共同属于哪一类语法点(语法知识)?19.Read it aloud so that I ____ you clearly.A.may hear B.will hear C.hear D.have heard20.They got up early in order that they ____ they first train.A.caught B.will ca they have left their hometown since 2000语法有错吗 英语六级语法问题,给为大侠求助,后面省了什么They may have been so conditioned to being on top that anything less disappoints.他们已经习惯于高高在上,因此稍不满意就怨天尤人. 语法：they may feel occupational stress.为什么feel 后面跟名词 Lo 翻译 If they take pictures without asking,they may have tomatoes thrown at them. 1.I heard you've got a set of valuable Australian coins.______I have a look?A.May B.Might选A 那为什么不选B呢?Might不是比May的语气更委婉吗?书上语法也u这么说啊.“他们会到哪里去了呢”翻译：Where can they have gon may i have lunch with you的语法有没错能不能保留may改为成述句,可以的话要怎写 They have been _____ about what may have caused the fire.(theory) Put on more clothes or you may have a cold语法对吗拜托了各位 The study suggests that if these girls grow up believing that boys are better at math than girls are,then these girls may not do as well as they would have if they were more confident.全句翻译并语法解释