the man must have visited the city. No,he couldn't have,because he didn't have any time上面那个couldn't也可以换成Can't吗?如果可以有什么不同呢?谢谢大家

What do you think are the qualifications a successful man must have in today's society? she must have been forty.变反意疑问句!They must have seen the film.反意疑问句The old man must have been a Swedish.否定句My father must have gone to work.反意 填空：The police think the old man must have ____(联系) with the number that happened last night.速度啊! 翻译：The Christian believes that man came from above.The evolutionist believes that he must have come from below. the doctor suggested the man have an operation at once这里的have为什么不用原形,又为什么不能用must have? that must have done the The sick man must not go without ( ) but he must have a ( )without sugar.A.foods,diet B.diet,food C.food,diet D.food,foods Man must have patience,especially confidence.翻译成谚语 求这几道英文题答案.VI.句型转换1.There is somenthing wrong with my bike.(改为一般疑问句)2.The young man comes from Australia.（改为同一句）The young man ___ ___ ___.3.You must put on your coat.(改为启示句)___ ___ yourco The young man has made so much noise that he ( ) not have been allowed to attend the concertA could B must C would D should 高中英语句子求翻译,there was this old man who must have been usefully engaged perhaps before the sun appeared above the horizon 25.He went away without answering my question where the post office was.He _______a dumb man.A.may be B.must be C.can have been D.must have been lots of empty bottles were found under the old man's bed .he must have done nothing but _____为什么选 drink 原型? Lots of empty bottles were found under the old man's bed.He must have done nothing but_____A,drink B,to drink C,drinking D,drunk 谁能帮忙分析下这句话得句子成分There is a sympathetic element about the man which I can see must have come from his family. the old man must have （）madA gone D driven两个都有发疯的意思为什么选A 不选D You must _____ (look) after the old man.急需 请翻译The man must come more than one time.