常考初一上册英语知识点精选.docx

常考初一上册英语知识点精选1、动词的种类(四类)系动词如be(isamare);情态动词如can、may、need;助动词(dodoes);行为动词如take、bring、eat、have(has)、like、sell、buy、sale、play、see、find、go、watch、thank、think等2、动词的第三人称单数(与名词的复数一样)如eat(eats)take(takes)buy(buys)play(plays)have(has)are(is)3、动词的时态(一般现在时)(1)含有系动词的I’maChineseboy.Sheistwelve.HeisTim’sbrother.HermotherisanEnglishteacher.含有系动词的句子在变一般疑问句时只将“主语和系动词交换位置”，上面句子变成一般疑问句时分别为AreyouaChineseboy?(注意第一人称通常变为第二人称)Isshetwelve?IsheTim’sbrother?IshermotheranEnglishteacher?含有系动词的句子在变否定句时只须“在系动词的后边加上not”，前面的几个了陈述句变否定句分别为I’mnotaChineseboy.Sheisn’ttwelve.HeisnotTim’sbtother.Hermotherisn’tanEnglishteacher.(2)含有情态动词的句子(can),Shecanplaybasketball.Hismother’scousincansingmanyEnglishsongs.含有情态动词的句子在变一般疑问句时只须将“主语和情态动词交换位置”，上面两句变一般疑问句分别为Cansheplaybasketball?Canhismother’scousinsingmanyEnglishsongs?含有情态动词的句子在变否定句时直接在情态动词的后边加上not,上面两个陈述句变否定句分别为Shecannotplaybasketball.Hismother’scousincannotsingmanyEnglishsongs.(3)含有行为动词的句子Wehavemanyfriends.TheywatchTVat7intheevening.Thestudentstaketheirbookstoschool.Ihavelunchatschool.Youhaveasister.1含有行为动词的句子在变一般疑问句时要在原句子的前面加do.上面的句子变成一般疑问句分别为Doyouhavemanyfriends?DotheywatchTVat7intheevening?Dothestudentstaketheirbookstoschool?Doyouhavelunchatschool?Doyouhaveasister?2含有行为动词的句子在变否定句时只须在行为动词前加don’t.上述五个陈述句变否定句分别为Wedon’thavemanyfriends.Theydon’twatchTVat7intheevening.Thestudentsdon’ttaketheirbookstoschool.Idon’thavelunchatschool.Youdon’thaveasister.3含有行为动词的句子，当主语是第三人称单数时，行为动词要加s(或es)如：Shehasaredpen.Hehaseggsforbreakfast.Hermotherbuysaskirtforher.Shelikesthrillers.MybrotherwatchesTVeveryevening.Hewantstogotoamovie.含有行为动词的句子，当主语是第三人称单数时，变一般疑问句要“在原句子的前面加上does,同时行为动词要还原”。上面的句子变成一般疑问句分别为：Doesshehavearedpen?Doeshehaveeggsforbreakfast?Doeshermotherbuyaskirtforher?Doesshelikethrillers?DoesyourbrotherwatchTVeveryevening?Doeshewanttogotoamovie?含有行为动词的句子，当主语是第三人称单数时，变否定句时“在行为动词前面加does’nt,同时原行为动词要还原”。上面的句子变否定句分别为：Shedoesn’thavearedpen.Hedoesn’thaveeggsforbreakfast.Hermotherdoesn’tbuyaskirtforher.Shedoesn’tlikethrillers.Mybrotherdoesn’twatchTVeveryevening.Hedoesn’twanttog