七年级下册第三单元语法重点

1.get to school 到达学校2.take the train 乘火车3.take the subway 乘地铁4.take the bus乘公共汽车站4.ride a bike 骑自行车6.one hundred and five 1057.how far 多远8.howlongdoesittakesbtodosth？花费某人多长时间做某事9.tenminutes十分钟10.howlong多长时间，多久11.tenminuteswalk步行十分钟12.ridethebiketoschool骑自行车到学校13.every day 每天14.walk to步行去,drive to 开车去,fly to 做飞机去15.Im not sure 我不敢确信16.about=around 大约17.10 kilometers 十公里18.good exercise 好的锻炼19.walk to school 步行去学校 20.get home 到达家21.drive his car to work 开车去上班22.in his fathers car 坐父亲的车23.need+时间+to do sth 需要时间做某事24.It is+adj.+for sb.to do sth.25.betweenand 在两者之间26.there be no =there not any =there not a27.the river run quickly 河水流的快 28.quickly 动作上 fast 速度上 soon时间上29.go on a ropeway 穿过索道30.go on a ropeway to cross the river 坐索道穿过河34.an 11-year-old boy一个11岁大的男孩 35.ten minutes walk/a ten-minute walk 10分钟的路 36.be afraid to do,be afraid of sth/doing害怕做某事37.love to do 喜欢做某事38.be like a father to me 像父亲一样做某事39.leave A for B 离开A到Be true 实现43.why-because40.leave sth at/on/in+地点 把某物留在某地42.why not+v原形 44.thanks for+n/doing sth为什么而感谢45.how to do it 怎么来做它 46.at about 8:00 在大约8点 1.交通方式的表达方法:(1)用“by+交通工具”表示交通方式。by bike,by bus,by car,by plane,by train,by subway 等。但是，“步行”用on foot注意：by后面的交通工具名词是单数，而且名词前面不能加任何修饰词。How do you go to Beijing?I go to Beijing by plane.（2）用“take a/the+交通工具”表示交通方式。take a/the train 乘火车take a/the subway 乘地铁但“骑自行车”要用ride a bike 来表示。Mr.Smith often takes a train to work.史密斯先生常坐火车去上班。(同义句）Mr.Smith often go to work by train.史密斯先生常坐火车去上班。（3）用某些动词短语来表示交通方式。如：walk to:步行去；drive to:开车去；ride to:骑马/车去；fly to:乘飞机去等。注意：如果后面接地点副词here,there,home等，介词to应省去。I walk to school.(同义句）我步行去学校。I go to school on foot.我步行去学校。（4）用“in/on+限定词+交通工具名称”，如on a bus、on a bike、on the train、in his car 等。名词前常有冠词、物主代词、指示代词或名词所有格等修饰语，名词可以是单数或复数。（1）bus，train，boat，plane，ship等有厢，有舱的名词前，用介词in或on。bike或motorbike前，只能用介词on。car，taxi前，多用介词in。How does Lily go to school?She goes to school on her bike.2.get,arrive的用法：(1)get to+地点：到达某地 get to school到校 get home到家 get to bus station到共公汽车站(2)arrive in+大地点 到达某地 arrive at+小地点arrive in Beijing到北京 arrive home到家 arrive at bus station到公共汽车站 注意:若get和arrive后面加地点副词here、there、home等，则不需要加介词。3.hundred的用法：(1)表示具体的几百时，用“基数词+hundred”five hundred五百 eight hundred八百(2)hundreds of表示“数百的，成百上千的。hundreds of+可数名词复数Hundreds of birds fly over the sea.成百上千的鸟飞过大海。4.How far is it from+地点 to+地点？从到有多远？How far is it from your home to the park?从你家到公园有多远？5.How far表示“多远”，对路程或距离进行提问。She lives about five kilomters from school.她居住在离学校5公里。（划线提问）How far does she live about from school?6.It takes（sb）some time to do sth.做某事花费某人一些时间It takes me an hour to finish my homework.完成作业花费了我的一个小时时间It takes me half an hour to get to school.到校花费了我的半小时时间 （划线提问）How long does it take you to get to school?7.how long意为“多久、多长时间”，用法（1）表示多长时间，对一段时间提问。（2）表示某东西有多长。如：A：How long is the river?这条河有多长？B：About 500 km.大约500千米8.Stop的用法：（1）stop当名词：车站(小站）bus stop bus station（2）stop当动词：停止 stop doing sth 停止做某事 stop to do sth 停下来做另一件事 Eg:please stop talking.停止讲话 please stop to study.停下来学习Stop sb from doing sth阻止某人做某事9.What do you think of?=what do you think about?=how do you like?你认为怎么样？你觉得怎么样？What do you think of this book?=how do you like this book?你认为这本书怎么样？10.many students=many of the students 11.It is easy to get to school.It is+adj+(for sb)+to do sth.对某人来说做某事怎么样 12.He is an 11-year-old boy.（同义句）He is 11 years old.he is 11.he is a boy of 11.13.be like 像，通常指个性品质像。look like看起来像，通常指外表像。14.afraid形容词：意为“害怕，畏惧”be afraid to do sth:害怕做某事be afraid of sth 害怕某事be afraid of sb 害怕某人be afraid of doing sth 害怕做某事be afraid of be terrified ofEg:I am afraid of the dark.我害怕黑暗。15.Leave离开，留下：用法(1)leave+地点”表示“离开某地”。When did you leave Shanghai?你什么时候离开上海的？(2)leave for+地点”表示“动身去某地”。Leave for London.动身去伦敦(3)leave+地点+for+地点”表示“离开某地去某地”。leave Shanghai for Beijing离开上海去北京(4)leave sb./sth.sp.表示“把某人/某物留在某地”I left my keys in the classroom.我把钥匙留在了教室15.thanks for+n/v-ingthank you for+n/v-ingthanks for your help谢谢你的帮助=thanks for helping me.Thanks for your invitation谢谢你的邀请=thanks for inviting me.Thanks to幸亏，由于，因为16.名词所有格（1）一般情况加sTomspen（2）以s结尾加theteachersofficetendaysholiday（3）表示几个人共同拥有，在最后一个名词后加sMikeandJohnsdesk迈克和约翰的桌子（4）表示每个人各自拥有，在每个名词后加sMikesandJohnsdesks迈克和约翰的桌子14.worryabout=beworriedabout担心