Why not let him go home?把 let him go home 换成let him to go home行吗?

Why not let him go home?把 let him go home 换成let him to go home行吗? why not 后面+let sb do还是to let sb do?Why not __?A let him to go home B to let him go home C let him go home D to let him to go home选哪一个? 请问这句话对吗?Why not let us go to help him do? Not I let him go to hell 怎么翻译：If people are willing to help him ,why not let them help him out with that problem? If you love him,let him go. 1 his mother wants him ai home today A stays B stayed C to stay D stay 做和讲解2 Let us go to the teacher for A an advice B some students C some advices D advice 3 You look will ,why to see the doctor A not go B do not go C not to go D going 4 Th Let's_to see the film.Why don'twe_Karaoke?A.don't go;singB.not go;to singC.not go;singD.not go;sin 祈使句否定Let him go there的否定为 Don't let him go there.而 Let's go there 的否定为 Let's not go there.为什么?怎样辨别? Why not ()(teach) him English 1.Why not ___(go) to the park?2.Let's ___(do) it. let him ( )(go) to the zoo if it ( )(not rain)tlet him ( )(go) to the zoo if it ( )(not rain)tomorrow 动词形式填空 __（not let）him go if he __ （not finish）his homework.原因?__（not let）him go if he __ （not finish）his homework.还要说明原因! Why not ______( go ) home? Why not _____(go) shopping? let him go home,________________(附加疑问句) let's him go.改为否定句 Let's go and a( )him.