新外研版九年级上册M2知识点整理.ppt

20. ．since then 从那以后 e.g.I haven’t seen him?since then. 从那时候起我就再没见过他。 They have been good friends?since then. 从那时起他们就一直是好朋友。 Many changes have taken place?since then. 自那以来，发生了许多变化。 21. have fun 玩得高兴；过得愉快 fun为抽象的不可数名词，前面可用a lot of, much, no等修饰，不能用不定冠词修饰。 e.g.Did you?have fun?with Uncle Joey today？ 　你今天跟乔伊叔叔玩得开心吗？ 　The Disneyland is a good place to?have fun. 　迪斯尼乐园是个能愉悦享乐的好地方。 　They often?have fun?flying kites. 　他们经常开心地放风筝。 22. the first“第一”，序数词前加the。在本课，序数词也是我们需要掌握的。请看基数词到序数词的变化口诀： 一二三单独记， 八去t，九去e， ve要用f替， 整十基变序， 先把ty变成tie， 要是遇到两位数， 十位基数个位序， -th最后加上去。 解析口诀： one→first, two→second, three→third， 这三个词是不规则变化，需要单独记忆，eight→eighth, nine→ninth， 八去t九去e后再加-th； five→fifth, twelve→twelfth, 五、十二把末尾的ve换成f再加-th，twenty→twentieth，thirty→thirtieth… 整十先把词尾y改为ie，再加-th， 两位数时则十位数用基数词，个位数用序数词，如：twenty-first。 23.off?adv. 不上课；休息；不工作 e.g.They have not had a day?off?for weeks. 　他们连续几周没有一天可以休息。 　He was so busy that he could not get time?off?to go on holiday. 　他太忙了，抽不出时间去度假。 Have```off休···假（中间加表示时间的词或者短语） We have three days off. 24. as soon as表示“一……就……”，强调动作紧密相连。(主将来从现在) 如： As soon as?I see him I will tell him the news. 我一见到他就会告诉他这个消息。 We began to work?as soon as?we got there. 我们一到那儿就开始工作了。 25.Season n. 季节，活动期。 Seasons为复数。 How many seasons are there in a year? 一年有几个季节？ In season 正在旺季、到适当的时候 Out of season过季 Vacation season休假季节 Season ticket季票 These clothes are out of season.这些衣服过季了 26.Watch （1）作名词，手表。Watches复数 （2）作动词，看。（需要注意当watch放在被动句式中，后要回归 to ） Watch sth. Watch sb do sth. Watch sb doing sth. I watched a little boy doing his homework at eight o’clock. I watched a little boy do his homework all the night. 27.Teach Teach sb.+学科 教某人···学科 Mr. zhang teached us English. Teach sb. To do sth.教某人做某事 She taught us to read. Teach sb. How to do sth.教某人如何去做某事 He taught me how to use computer. Teach oneself自学 I teach myself English.我自学英语 28.Plan （1）作名词。 Make a plan for sth.为···做一个计划 We need to make plans for the future. Have a plan to do sth.有一个做某事的计划 （2）作