主祈从现的英文

get up quickly or you'll be latestudy hard and you'll pass the examlook out when you cross the road be careful while you are doing your homeworkdon't worry too much before you take part in the competitionwe'll finish the work on time if we are given enough timeI'll give him the messages as soon as I see himI won't go to bed until mother comes backwe won't go to the cinima unless Tom is invitedI will call you up when he comes back from work希望你会满意，谢谢

主将从现是指如果主句用将来式则从句用现在时态，主祈从现应该是如果句子是祈使句那么时态用一般现在时，而主情从现应该是指如果句子中有情态动词那么情态动词后加一般现在时的动词，即动词原型

1.Iwillwalktoschoolifitdoesn'traintomorrow.这是主将从现，主句是Iwillwalktoschool中有“will”，表示将来，句中如果有“am/is/aregoingto"也是一般将来时态，itdoesn'train是从句，句中的”doesn't“很好的体现出这是一般将来时态，tomorrow是时间状语，通常由”if“引导的句子是主将从现2. Pleaseletmeknowifhecomesback.这是主祈从现，主句是Pleaseletmeknow中含有”please“是祈使句，祈使句一般开头是以do 、let、don't、never、todo开头，hecomesback是从句，comes说明是一般现在3.Ifyoufeelhungry,youshouldeatsomething.这是主情从现，youshouldeatsomething是主句，句中的”should“是情态动词，情态动词常用的有can、may、must、should，youfeelhungry是从句，一般现在总结：主要看句中有没有if，when，assoonas……这些词有时代表主将从现，主祈从现，主情从现，注意：when有时可以和延续性动词连用，也可以和短暂性动词连用，例如：whenIwasgetthere,hewassingingintheKTV.

1、主将从现是指如果主句用将来式则从句用现在时态。

例句：I will walk to school if it doesn't rain tomorrow.

主句是"I will walk to school"中有“will”，表示将来，句中如果有“am/is/are going to"也是一般将来时态，it doesn't rain是从句，句中的”doesn't“很好的体现出这是一般将来时态，tomorrow是时间状语，通常由”if“引导的句子是主将从现。

2、主祈从现应该是如果句子是祈使句那么时态用一般现在时。

例句：Please let me know if he comes back.

这是主祈从现，主句是Please let me know中含有”please“是祈使句，祈使句一般开头是以do  、let、don't、never、to do开头，"he comes back"是从句，"comes"说明是一般现在。

3、主情从现应该是指如果句子中有情态动词那么情态动词后加一般现在时的动词，即动词原型。

例句：If you feel hungry ,you should eat something.

这是主情从现，"you should eat something"是主句，句中的”should“是情态动词，情态动词常用的有can、may、must、should，"you feel hungry"是从句。

总结：主要看句中有没有if，when，as soon as……这些词有时代表主将从现，主祈从现，主情从现，注意："when"有时可以和延续性动词连用，也可以和短暂性动词连用。