七年级英语上册语法专题复习.docx

七年级英语上册语法专题复习一、一般现在时：概念：1.现在的状态，经常或习惯性的动作。2.主语所具的性格和能力。3.客观真理。常用的时间状语：often(经常),usually(通常),sometimes(有时),always(总是),never(从不),onSundays(在星期天),everyday/month/year(每一天/月/年)句型结构：(一)主语+连系动词be(am/is/are)+名词/形容词/数词/介词短语/副词等做表语表状态(包括Therebe+n.)巩固练习1.I______(be)astudent.Myname_____(be)Tom.2.Where_____(be)myshoes?They___(be)here.3.Who____(be)thegirlwithlongstraighthair?Ithinkshe___(be)Kate.4.YouandI___(notbe)inClassSix.5.___(be)thereasupermarketontheFifthAvenue?Yes,there_____(be).6.____herparentstall?No,they____.(二)主语(非第三人称单数)+行为动词原形+其他(用助动词do帮助构成否定句、一般疑问句和特殊疑问)主语(第三人称单数)+行为动词的第三人称单数+其他(用-助动词does帮助构成否定句、一般疑问句和特殊疑问句)行为动词第三人称单数的构成1.在词尾加-s：speak-speaks,work-works2.以“辅音+y”结尾，把y改为i,再加-es：study-studies3.以s,x,ch,sh结尾,加-es：watch-watchesteach-teaches特殊情况：have-hasdo-doesgo—goes巩固练习.1.Hisparents_______(watch)TVeverynight.Mybrother_________(do)homeworkeveryday.2.Hisparents_________(notwatch)everynight.Mybrother________(notdo)homeworkeveryday.3._____hisparents_____(watch)TVeverynight?______yourbrother_____(do)homeworkeveryday?4.He____(have)twosisters.5.Peter____(study)hard.二.现在进行时：表示说话瞬间或现阶段正在进行的动作。常用的时间状语:now(现在),listen(看),look(听)atthemoment(此刻),atthistime(这个时候)。结构:主语+助动词be(am/is/are)+行为动词的现在分词(v-ing)现在分词的构成：1.直接在词尾加-ing:eat-eating2.以“辅音字母+e”结尾，去掉e再加-ing:take-taking3.以“元音字母+辅音字母”结尾的重读闭音节，先双写该辅音字母，再加-ing:如sit-sitting,put-putting,begin-beginning,run-running,swim-swimming,stop-stopping,get-getting,shop-shoppingcut-cutting,plan→planning(计划),prefer→preferring(更喜欢)4.少数以­ie结尾的重读开音节的动词，把ie变为y，再加­ing。如：die→dying(死),lie→lying(躺),tie→tying(拴;系)巩固练习1.Jim__________________(take)photosintheparknow.2.Listen!Agirl___________(sing)nexttotheroom.3.______________Peter____________(run)intheparknow?Yes,he_____.No,he_______.4.Where_________Marry__________(have)apicnicnow?5.Tom_________(notswim)now,he________(do)hishomework.6.Lily_______(lie)onthebeachatthistime.三、情态动词：1、任何主语+can/may/must+动词原形2、主语+can’t/maynot/mustn’t+3、词原形3.Can/May/Must+主语+动词原形?4、疑问词+can/may/must+主语+动词原形?四、非谓语动词(固定搭配)1.like+todosth.不定式/li