don't 和 do not、can't 和cannot 哪些词语气更重?

don't 和 do not、can't 和cannot 哪些词语气更重? do not &don't；can not &cannot&can't 区别是什么?如题,谢谢! Why not do 和 Why don't do 什么区别 not to do,和 don't do的区别, do not 和 can't的区别 I don't speak English和I can't speak English有区别吗 Don't ever let somebody tell you you can't do something, not even me. can't是cannot 还是can not don't呢? I really can not do without you,do not want to break up,but I don't want to ask you,I love you,don't leave me! Don't do that 和 Do not do that 哪个语气强一些? Can you please ___to do that?A、don't B、not i don't know i can do it if not now选择AwhereB.whyC.whenD.how am not,aren't,isn't,can't,don't,doesn't.的区别及用法. Don't forget,only don't want to forgetDon't forget,only don't want to forget not I do not love you tod…but I can't afford to love not是动词原形吗我在**报上看过一道题:willyou please _____ do that?A won't B don't C not D can't The bus _____start;I don’t know what to do with it.（b）A.can’t B.won’t C.shan’t D.may not don't 和not 的用法比如说：do you like to eat noodles no I don’t 为什么 no I don’t like 不写成no I not like not 和don’t用法有什么区别? need not to do 和don‘t need to do,哪个对? Don't try to do sth.和 Try not to do sth.有什么区别?