一般现在时.语法讲解课件

一般现在时Ⅰ、概念：

经常、反复发生的动作或存在的状态及现在的某种状态。1、肯定式1)主语+be(am/is/are)+表语

Iamastudent.It/She/Heisateacher.You/Theyareclassmates.2)主语+情态动词（can,must,may,need,shall）IcanspeakEnglish.Shemustgotoschool.Ⅱ、构成形式:2.一般现在时态的否定和疑问式(1).Be动词肯定句：Sheisastudent.否定句：Sheisnotastudent.一般疑问句：Issheastudent?肯定回答：Yes,sheis.否定回答：No,sheisn’t.（2）.情态动词e.g.ShecanspeakChinese.否定句：Shecan’tspeakChinese.一般疑问句：CanshespeakChinese?肯定回答：Yes,shecan.否定回答：No,shecan’t.(3)行为动词1.e.g.Irunveryfast.否定句：Idon’trunveryfast.一般疑问句：Doyourunveryfast?肯定回答：Yes,Ido.否定回答：No,Idon’t.2.e.g.ShelikesMaths.否定句：Shedoesn’tlikeMaths.一般疑问句：DoesshelikeMaths?肯定回答：Yes,shedoes.否定回答：No,shedoesn’t.注意：在一般现在时态中，当谓语动词是行为动词的时候，变否定和一般疑问句时，要借助助动词do和does帮忙。当主语是第三人称单数(she,he,it)的时候用does，其他人称用do.借助助动词do和does以后，动词要用动词原形。Ⅳ、

就单词的正确形式填空1.He_____(look)tired.2.Theearth___(go)roundthesun.3.___(may)Ihaveyourpen?4.Practice______(make)perfect.5.Theyusually____(come)toschoolearlier.6.Class_____(begin)ateighteverymorning.7.Whenhe___(come),we’llgoouttomeethim.8.How____(be)yourfather?9.There____

(be)aschoolthere.looksgoesMaymakescomecomesbeginsisis二、将下列句子变成否定式和一般疑问句

1．HernameisLiLing.2．Wegotoschoolatnight.3．Mybrotherworksinafactory.Hernameisn’tLiLing.IssheLiLing?Wedon’tgotoschoolatnightDoyougotoschoolatnight?Mybrotherdoesn’tworkinaradiofactory.Doesyourbrotherworksinaradiofactory?3.-___youthinkhewillcome?-Ifit___tomorrow,hewillnotcome.A.Do,rainsB.Are,rainsC.Do,willrainD.Are,willrain4.Thelittlechild__notevenknowthatthemoon__aroundtheearth.A.do,move