八年级下英语第九单元知识点

1、UNIT 9 Have you ever been to an amusement park ? space museum 太空博物馆amusement park 游乐园water park 水上公园on board 在船上end up 结束all year round 全年tour guide 导游flight attendant 空中乘务员three times 三次at that time 在那时in time 及时on time 按时all the time 一直more than = over 超过wake up 叫醒during the daytime 在白天take the su

2、bway = by subway 乘地铁(take +the,a +交通工具;by+交通工具 He takes the subway to school . = He goes to school by subway .me too 我也是me neither 我也没.I have been to the zoo several times . -me, too .Ive never been to a water park . -me neither .neither .nor既不.也不Neither you nor he likes swimming . neither:两者都不,谓语动词

3、用单数Neither of us has been to Beijing . Hear of 听说hear form 收到.来信roller coaster 过山车around the world =all over the world 全世界all the time 一直argue with sb 与某人吵架in fact 实际上,用在句首for example 例如all over 遍及,到处all over the world 全世界all over china 全中国English-speaking country 说英语的国家three quarters 四分之三基数词+序数词: o

4、ne third 1/3 two thirds 2/3 three fourths 3/4 One third of the water is dirty .Two thirds of the students are boys .see sb do sth 看见某人做某事(全过程I saw lintao enter the office .see sb doing sth 看见某人正在做某事(瞬间动作when I came here , I saw lily drawing a picture .discover 发现已经存在,别人不知道的东西They discovered an oil f

5、ield . invent 发明原先没有的东西Who invented the computer ? look for 寻找(强调动作find 找到(强调结果what are you looking for ? We found Jim in his uncles home . population :人口多少用large small, 对人口提问用whats the population of? have problems in doing sth 做某事很费劲I have problems in learning Math .sb find it +adj to do sth 某人发觉做某

6、事很He found it difficult to learn Math well . 他发觉把数学学好很难。H ave been to去过某地已经回来have gone to去某地未回H ave been in在某地呆多长时间have been +身份成为什么人多长时间I have been to Singapore before . I have been in linyi for 15 yearsI have been a teacher for 8 years .Wheres Tom ?-He has gone to America .1. 现在完成时A.表示过去发生或已经完成的动作

7、对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。如:The car has arrived.车子来了。(结果:车子已在门口Someone has broken the window.有人把窗户打破了。(结果:窗户仍破着现在完成时句子通常有recently,lately,since,for,in the past fewmonths/years等词做时间状语。肯定形式:have/has +done否定形式:have/has + not+done一般疑问句:have或has放于句首。B.现在完成时的用法1现在完成时所表示的动作在说话之前已完成,而对现在有影响。所以常常后面不用时间

8、状语。现在完成时所表达的动作离说话人的说话时刻可近可远。如:He has gone to London. (说话人认为他不在该地He has been to London.(说话人认为他在该地2现在完成时所表示的动作开始于过去,持续到现在,也许还会持续下去。常用for和since表示一段时间的状语或so far,now,today,this week (month, year等表示包括现在时间在内的状语。例如:He has studied English for 5 years.He has studied English since 2001.Now I have finished the

9、work.注意:表示短暂时间动作的词,如:come,go,die,marry,buy等的完成时不能与for,since等表示一段时间的词连用。3现在完成时还可用在时间和条件状语从句中,表示将来某时完成的动作。例如:Ill go to your home when I have finished my homework.If it has stopped snowing in the morning,we will go to the park.2. have been to表示“到(去过某处”,现在已不在那个地方。如:He has been to England.他曾到过英国。(现在已经不在英

10、国了Have you ever been to the Great Wall?你到过长城吗?(现在已经不在长城上have goneto表示“去了某处”,“到某处去了”,现在已不在说话的地点了。如:He has gone to England。他已去英国了。(已经不在说话的地方,到达英国或者在去英国的路上3. timen. U 时间,时候如:Time never stands still. 时间不会停滞不前。The time has come for us to speak out.是我们大胆讲话的时候了。n. C 一段时间,时刻如:You have taken a long time writ

11、ing the letter.你用了很长时间写这封信。We had a good time together.我们一起度过了愉快的时光。n. (多用复数 时代如:He is one of the best actors in modern times.他是现代最好的演员之一。In Shakespeares time there were no actresses on the Eng lish stage.莎士比亚时代英国舞台上没有女演员。n. 次;倍如:This is the first time that I have ever beenabroad.这真是我第一次出国。Your room

12、 is three times the size of mine.你的房间是我的三倍大。注意:作“倍,次”,必须用于“三次(倍”以上,一、二次(倍用once,twice表示。用所给单词的正确形式填空。(10分26.Of all the countries she has _(travel to, she likes Canada best.27.At first she _(think about going camping, but later she changed her mind.28.They are from _(foreigner countries.29.Who _(discover America in 1492?30.There are four_(season in a year.31.Two_(India came to our school l