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Unit2No Rules,No Order语法归纳和练习-2024-2025学年人教版英语七年级下册Unit2No Rules,No Order语法聚焦祈使句情态动词频度副词
一、语法归纳语法点1:祈使句1祈使句的定义.祈使句用于表达命令、请求、劝告、警告、禁止等语气它的主语通常是第二人称但一般省略不写you,
2.祈使句的结构肯定祈使句动词原形(+宾语+其他成分)例如(请打开门)Open thedoor,please.(早点来这儿)Come hereearly.咱们去购物吧这里是的缩写(Let sgo shopping.Lets Letus形式,也是一种特殊的肯定祈使句结构)否定祈使句动词原形(+宾语+其他成分)Dont+例如:(不要在走廊里跑)Dont run in the hallways.(上课不要迟到这里动词原形用于祈1Don1be late for class.be使句中表示“处于某种状态”)(绝不要在教室里吃东西也可Never eat in the classroom.Never用于构成否定祈使句,语气比更强)Dont
3.祈使句的特点祈使句通常没有主语,句末用感叹号或句号,读时一般用降调当祈使句表示请求时,通常在句首或句末加上句末加时,前面要please,please用逗号隔开例如或Please comein.Come in,please.(请进)语法点2情态动词can的用法
1.表示能力表示某人“能;会”做某事,即具备某种能力其否定形式是can cant的缩写),表示“不能;不会”(cannot例如(我会说英语)I canspeak English.(她不会弹吉他)1She can1play theguitar.(你会游泳吗?是的,1Can youswim Yes,I can./No,I can
1.我会/不,我不会)
2.表示请求许可在口语中,可以用来向对方请求许可,意为“可以”,常用于非正式场can合其否定回答常用或(表示禁止;不允许”)cant mustnt例如(我可以喝杯水吗?)Can Ihave aglass ofwater(是的,你可以)Yes,you can.(不,你不可以)No,you cant/mustnt.
3.can与be able to的区别只有一般现在时和一般过去时两种时态形式,而)(can couldbe ableto有更多的时态变化,可以用于各种时态例如(明年我将能开车这里I willbe ableto drivea carnext year.不能用因为表示将来的能力)can,在过去时态中,常用来表示过去一般的能力,即过去“能,会”做could某事;而则强调过去成功地做了某事(was/were ableto=managed todo或)sth.succeeded indoing sth.(我年轻时能跑得更快只是I couldrun fasterwhen Iwas young.说明过去有跑步快的能力)(他昨天成功地从He wasabletoescape fromthe fireyesterday.火灾中逃了出来强调成功做到)语法点3频度副词的进一步运用(本单元延续上一单元内容)频度副词与祈使句或情态动词连用时的位置
1.当句子中出现祈使句时,频度副词通常放在祈使句动词之前例如:(在课堂上要总Always listento yourteachers carefullyin class.是认真听老师讲课)当句子中含有情态动词时,频度副词一般放在情态动词之后,实义动词之前例如(你应该总是保持你的You shouldalways keepyour roomclean.房间干净)对含有频度副词的句子提问
2.依旧用来对频度副词进行提问,询问动作发生的频率how often例如(对提问)They oftenplay basketball after school.oftenHow oftendo theyplay basketballafter school
二、语法练习一单项选择一
1.run in thehallways.一Sorry,Ms.Clark.rA.Do B.Dont C.Please D.Let s
2.late forschool again,Tom.A.Not beB.Be notC.Dont beD.Dont一
3.I borrowyour dictionary一Sure.Here youare.A.Need B.Must C.Should D.Can一
4.Can youplay chess一・No,I ButI wantto learnit.1A.can B.can1C.could D.couldnt
15.You eatin class.It sagainst therules.rA.can B.can tC.must D.mustnt
6.me cleanthe classroom.rA.Let B.Let sC.To letD.Leting一
7.do youexercise——Three timesa week.A.How longB.How soonC.How oftenD.How much
8.She getsup early,so sheis neverlate forschool.A.always B.sometimes C.hardly everD.never
9.You bequiet in the library.以上都对A.can B.must C.have toD.All ofthe above一
10.I useyour eraserMine islost.一Certainly.Here youare.A.May B.Must C.Need D.Should二用所给词的适当形式填空
1.not arrivelateforclass.2,Lets playfootball after school.
3.You cantlistento musicin class.
4.She canspeak alittle English.
5.Tom oftengo to schoolby bike.But todayhe takethe busbecause itwasrainy.
6.not benoisy inthe readingroom.
7.My motherasks meclean myroom everyday.
8.—Can heswim一
(三)句型转换()Yes,he can.He oftenswim inthe riverin summer.(改为祈使句)
1.You caneatinthe dining hall.inthedininghall.(改为同义句)
12.Don1runintheclassroom.intheclassroom.(改为一般疑问句并作否定回答)
3.He canplay thepiano.一he thepiano一No,he.(对划线部分提问)
4.They usuallyplay basketballafterschool.do theyplaybasketballafterschool(改为同义句)
15.Let sgo tothe park.gotothe park
三、答案
(一)单项选择
1.B
2.C
3.D
4.B
5.D
6.A
7.C
8.A
9.D
10.A
(二)用所给词的适当形式填空
4.;
2.play
3.listen speak
5.goes took
6.
11.Don1arrive;Dont be
7.to clean
8.swim swims
(三)句型转换;;;can
1.Eat in
2.No running
3.Can playt
4.How often
5.Shall we。
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