主句用have 从句用have还是has you needn’t do it now怎么变为被动语态

主句用have 从句用have还是has you needn’t do it now怎么变为被动语态 You needn't du it now （改为被动语态） you needn't do it now改为被动语态是it mustn't be done by you now吗 You ________ it if you don’t have time.A.needn’t to do B.mus You must do it now.(改为被动语态） You made me do it now.改为被动语态It __ __ __ by you now Needn't have done 和needn't do的区别! Do you have to buy this hat?No,i needn't necessary为什么填needn' needn't与don't need to怎么用,两者有没有什么被动语态之类的关系? 用must,can,can't,needn't,has to,have to,had to,will,造句 have to do sth 被动语态怎么改? 句型转换:you needn't do it now-----it by you know