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今天小编岚岚来为大家解答以上的问题。主系表结构，主系表相信很多小伙伴还不知道,现在让我们一起来看看吧！

1、主系表=主语+系动词+表语： 主系表句型结构用来说明一个事物，事物的状态，状态的改变，状态的持续或者一个一 主语可以做主语的成分有：1 名词或名词词组：Tom，my dream，my brother（teacher，friend）2 代词：I， you，he，she ,we ,they3 动名词：Swimming is good for health.4 不定式：To talk to him is my dream。

2、5 从句：That he is coming this afternoon is very exciting！6其他：…..二，系动词：1 表示状态的系动词：[be], keep, stay, remain等Keep quiet, please!You may keep the book.2 表示状态改变: get, turn, grow, become, go, run ,come，fall等3 表示感觉或知觉：feel, smell, look, taste, sound, appear，seem等 三 表语的构成1 形容词Hi, boys, please keep quiet!When he saw this, his blood ran cold. 2 名词（代词）You are my friend.My brother is a soldier.Who is there?—It’s me.3 副词---Is Helen in? -No, she’s out .He has fallen asleep, but the TV is still on.When will you be back?4 介词短语The bus stop is just across the road.To help you do this is really beyond my power(me).5动名词（短语）Her hobby is collecting stamps.What I like most is reading novels.*Collecing stamps is my hobby.6不定式The problem is to find the right place quickly.My only wish is to do what’s best for you.*My dream is to study abroad.7 句子What surprised me was (that) she spoke English so well.The question is what you want to do.What I want to know is how we can solve the fuel problem.8 形容词+介词短语She was afraid of snakes.The research team is short of funds. We are confident in his ability.9 形容词+不定式I’m sorry to hear that you’re ill. hear的宾语She’s ready to help others.We’re determined to follow his example. 10 形容词+从句I’m afraid (that) there is some misunderstanding between us.I’m glad (that) you’ve come.I’m not sure what I ought to do.I’m not certain who he is.I’m not sure whether I should go to France or Italy for my holiday.。

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