小学资讯
小升初必备语法：助动词have的用法
1)have +过去分词，构成完成时态，例如：He has left for London. 他已去了伦敦。By the end of last month, they had finished half of their work.上月未为止，他们已经完成工作的一半。2)have + been +现在分词，构成完成进行时，例如：I have been studying English for t...小升初必备语法：助动词do 的用法
1) 构成一般疑问句，例如：Do you want to pass the CET? 你想通过大学英语测试吗?Did you study German? 你们学过德语吗?2) do + not 构成否定句，例如：I do not want to be criticized. 我不想挨批评。He doesn't like to study. 他不想学习。In the past, many...小升初必备语法：助动词shall和will的用法
shall和will作为助动词可以与动词原形一起构成一般将来时，例如：I shall study harder at English.我将更加努力地学习英语。He will go to Shanghai.他要去上海。说明：在过去的语法中，语法学家说shall用于第一人称，will 只用于第二、第三人称。现在，尤其是在口语中，will常用于第一人称，但shall只用于第一人称，如用于第二、第三人称，...小升初必备语法：助动词should,would的用法
1)should无词义，只是shall的过去形式，与动词原形构成过去将来时，只用于第一人称，例如：I telephoned him yesterday to ask what I should do next week.我昨天给他打电话，问他我下周干什么。比较：What shall I do next week? I asked.我下周干什么?我问道。(可以说，shall变成间接引语时，变成了sh...小升初必备语法：短语动词
动词加小品构成的起动词作用的短语叫短语动词(Phrasal Verb)。例如：Turn off the radio. 把收音机关上。(turn off是短语动词)短语动词的构成基本有下列几种：1) 动词+副词，如：black out;2) 动词+介词，如：look into;3) 动词+副词+介词，如：look forward to。构成短语动词的副词和介词都统称为小品词(Particle)。小升初必备语法：非谓语动词
在句子中充当除谓语以外的句子成分的动词形式叫做非谓语动词。非谓语动词分为三种形式:不定式，动名词，和分词(分词包括现在分词和过去分词)。1)不定式时态语态主动被动一般式to doto be done完成式to have doneto have been done2)动名词时态语态主动被动一般式doing being done完成式having donehaving been done3)分词时态语...小升初必备语法：动名词作主语、宾语和表语
1)作主语Fighting broke out between the South and the North.南方与北方开战了。2)作宾语a. 动词后加动名词doing作宾语 V. + doing sthadmit 承认 appreciate 感激,赞赏 avoid 避免complete 完成 consider 认为 delay 耽误 deny 否认 detest 讨厌 endure 忍受enj...小升初必备语法：worth 的用法
worth，worthy，worth-while都为adj. 意为值得。1. worth： be worth + n.当名词为金钱时，表示 值得be worth doing sth. 某事值得被做The question is not worth discussing again and again.2. worthy：be worthy of +n. 当名词为抽象名词时表示值得be worthy...小升初必备语法：不定式作宾语
1) 动词+ 不定式afford aimappearagree arrangeaskbedecide bothercarechoosecomedaredemand desiredetermineexpectelectendeavorhopefail happen helphesitate learn longmeanmanage offer oughtplanprepare pret...小升初必备语法：不定式作补语
1) 动词+宾语+不定式(to do)adviseallowappointbelievecausechallenge command compel consider declaredrive enableencourage find forbidforce guesshireimagineimpel induceinforminstructinvitejudge know like o...小升初必备语法：不定式主语
1) It's easy (for me) to do that.我做这事太容易了easy, difficult, hard, important, possible, impossible, comfortable, necessary, better;the first, the next,the last,the best, too much,too little,no...小升初必备语法：Its for sb.和 Its of sb.
1)for sb.常用于表示事物的特征特点，表示客观形式的形容词，如easy, hard, difficult, interesting, impossible等：It's very hard for him to study two languages. 对他来说学两门外语是很难的。2)of sb的句型一般用表示人物的性格，品德，表示主观感情或态度的形容词，如good, kind, ni...小升初必备语法：不定式作表语
不定式可放在be动词后面，形成表语。例如：
My work is to clean the room every day.
His dream is to be a doctor.
小升初必备语法：不定式作定语
不定式做定语通常要放在被修饰的词后。例如：
I have a lot of work to do.
So he made some candles to give light
小升初必备语法：不定式作状语
1)目的状语To… only to (仅仅为了), in order to, so as to, so(such)… as to… (如此……以便……)He ran so fast as to catch the first bus. 他飞快地跑以便赶上第一班车。I come here only to...