何时用not to do sth 何时用not do sth

何时用not to do sth 何时用not do sth 问：It is ___ sb to do sth.中的“___”何时用of,何时用for? 句首做主语何时用doing 何时用to do 英语be加形容词 动词be+形容词后用动词什么形式?be busy doing sth/be hard to do 何时用不定式 何时用动名词 somebody was thought to do/ have done.句型中,何时用to do,何时have done make sb do与make sb to do的区别何时用do 何时用to do?明白 如何使用:get sb.to do 或者get sb./sth.doing结构何时使用：get sb.to do 何时使用：get sb./sth.doing? take sth to sp 和 bring sth to sp 人称为I she he 时用谁.我就是不明白何时用 hope to do与hope doinghope to do和hope doing 有什么区别?何时用hope to do,何时用hope doing. need何时为情态动词,何时加to do 用tell sth.tell sb.sth.tell sb.to do sth.tellsb.not to do sth.造句用tell sth.tell sb.sth.tell sb.to do sth.tellsb.not to do sth.造句 何时用现在完成时,何时用一般过去式? weekend何时用单数何时用复数? 助动词何时用be何时用have 角动量何时用mlv何时用jw the secret to 后面动词形式是ing,何时用to do? 用 have to do sth/don not have to do sth 写英语校规 何时用does/do 何时用is/are放在疑问句开头那种