关于动词不定式The road is all wet.It must have rained yesterday.这个have rained应该是不定式的完成式吧,为什么把to省略了?

关于动词不定式The road is all wet.It must have rained yesterday.这个have rained应该是不定式的完成式吧,为什么把to省略了? 关于动词不定式 there be句型能不能出现动词原形例如There is a boy run on the road there is no royal road to learning.请问这句为什么用介词加动名词而不用动词不定式呢 关于动词不定式的用法 There is a traffic ( ) on the road. 什么是动词不定式?动词不定式为什么叫动词不定式?什么情况下需要用动词不定式？什么情况下不能用？比如说为什么我不能说“On the road of to learn english'” 而需要说“on the road of learning engli 关于动词不定式的被动形式的问题We entered the strenge room,noticing there is a letter yet to__是填to be finished 还是to finish呢?为什么答案是to finish呢? 动词不定式作定语 怎么理解啊when is a good time (to fish) 是不是动词不定式 No one is allowed,no matter who he is,___until the construction is completed.A.to enter B.entering C.entered D.enter这里为什么用动词不定式. It is a good time后面接动词原形,不定式,动名词,还是动词过去式? 非谓语动词.情态动词II.动词不定式to do1.What do you want______________(be) when you grow up?2.The police officer told the boys___________________(not play) soccer on the road.3.Tony asked his grandpa____________________(give) him a toy c at the 什么 the road ,there is a supermarket a road is just a road 歌词 关于动词不定式的详细用法见上题 关于动词不定式的详细语法 动词不定式被动问题Much of the work is ____ before sunset.A. finished B. to be finished为什么选B啊? ______in the sunlight is bad for your eyesight.A.Read B.To read C.Reading 选B还是C,动词不定式做主