用could,should,couldn't,shouldn't填空A:Well ,look at your bedroom,Jenny.You ____ clean your room every day.You ____ leave all the things around.B:I don't know I ____ keep them.I think you _____ help me put them away.But Mom,______ you please give

should have done ,shouldn't have done.could have done,couldn't have done must/should/shouldn't/needn't/could/couldn't/may/mought+have done有什么区别?谢谢每一个词都加have done She’d go there on her own if she could,（）she?a.couldn't b.wouldn't.c.hadn't.d.should could和should不同 should 和could 的区别.在You should.和You could.句型中什么时候用should 什么时候用could在线等鄙视！Ctrl-c,Ctrl-v. 用can、can't、could、couldn't写一篇关于自己的短文 不少于60词 The doctor couldn’t answer the question__the patient could survive that night可以用that吗? could和couldn't的不同 But I could ,couldn't?翻译 造句You'd better do/You'd better not do should/shouldn't/could/couldn't写一个句子,再照着仿一个句子造句You'd better do/You'd better not do/ should/shouldn't/could/couldn't各写一个句子，再照着仿一个句子,写6个，仿写6 用 should could will 的一篇英语作文. 1.I am sorry that I couldn't call you ealier.(couldn't 可以用cannot 代替吗）2.You can install windows frames which could make...can可以用could代替吗could可以用can代替吗 I have a stomachache .You( ) eat bad food A ,should B,couldn't C,shouldn't D,could选D行不行啊,could 表可能,你可能吃了坏东西 you should wash the car用could you please或could i We couldn't watch until our homework was finished.为什么用couldn't 换成cann't 行不行 could 和 can 有什么区别? May I put my bike here?No,you--.you should put it there.A.couldn't.B mustn't.why?我查找了MAY的否定回答方法。有must not .can not 没找到可以用could not回答的。能不能是答案错了呢。怎么办呢。选哪个呢。如果选B 用could,should,couldn't,shouldn't填空A:Well ,look at your bedroom,Jenny.You ____ clean your room every day.You ____ leave all the things around.B:I don't know I ____ keep them.I think you _____ help me put them away.But Mom,______ you please give 读Jimmy的信,然后给Jimmy写一封建议信,你可以用should,shouldn't .could ,couldn't.Dear Donna,I hate shopping The store are always crowded and the salespersons aren't usually very friendly .Also,it takes me a long time to choose clothes .I