1、单元语法聚焦二 before, after和as引导的时间状语从句&that和who引导的定语从句,Unit 2 Great People,教材典句,1. After he finished school, he went on to study physics inSwitzerland. 毕业后他去瑞士继续研究物理学。 2. He signed his last letter before he passed away. 在去世之前，他签署了他的最后一封信。 3. As Helen grew older, she made a lot of progress and learned tor
2、ead. 随着年龄的增长，海伦取得了很大进步并学会了阅读。,单元语法聚焦二,4. Anyone who has never made a mistake has never tried anything new. 一个从不犯错误的人，一定从来 没有尝试过任何新鲜事物。 5. In the dream, he grew a new type of rice that was as big as a peanut.在梦里，他种植了一种像花生一样大 的新型水稻。,单元语法聚焦二,语法探究,一、before, after 和as 引导的时间状语从句 1before, after和as都可以引导时间状语
3、从句。before意为 “_”；after意为“_”； as 除了 表示“随着”，还可以表示“正当时”和“一边一边”。The students were talking as the teacher came in.当老师进来时学生们正在说话。We always sing as we walk. 我们总是边走边唱。,在之前,单元语法聚焦二,在之后,2. 当时间是将来的时候， before, after和as引导的时间状语从句 常用_时态，而主句要用_时态。I will call her after I finish the work.完成工作后，我将会给她打电话。,一般现在,单元语法聚焦二,一
4、般将来,二、that 和who引导的定语从句 1. 定语从句是用来修饰_词或_词的句子，起定语的作 用。其中，被修饰的词叫作先行词。定语从句通常出现在先行词_(之前/之后)，由关系代词或关系副词引导，关系代词或 关系副词代替_，并在从句中作一定的成分。,单元语法聚焦二,名/代,代/名,之后,先行词,2. who在定语从句中指代_；that在定语从句中既可指代_， 又可指代_； who和that在定 语从句中既可作_语，又可作_语，作_语时可省略。,单元语法聚焦二,人,主/宾,人/物,物/人,宾,宾/主,实战演练,I. 单项选择 ( ) 1. _ Helens knowledge and voc
5、abulary increased, she asked more and more questions.AUnless BWhileCAs DBefore,C,单元语法聚焦二,( )2. Someone called me up in the middle of the night, but he hung up_ I could answer the phone.Aafter BsinceCuntil Dbefore,单元语法聚焦二,D,( )3. 2017攀枝花 The book was so interesting that he had read it for three hours
6、_ he realized it.Abefore BafterCuntil Dsince,单元语法聚焦二,A,( )4. Stephen Hawking got more than 380，000 followers in two hours_ he put his first message on Weibo.Abefore BsinceCafter Duntil,单元语法聚焦二,C,( )5. 2017营口 Do you know the boy_ is under the tree?Oh, he is my cousin.Awho BwhoseCwhom Dwhich,单元语法聚焦二,A
7、,( )6. 2017丹东 My cousin is a boy _ lots of trouble to his parents.Awho bring Bwhich bringsCwho brings Dthat bring,单元语法聚焦二,C,( )7. 2016孝感 Its a good habit to wash your hands _ you have meals.Aunless BwhileCwhen Dbefore,单元语法聚焦二,D,( )8. 2017来宾 I like the TV shows_ make me laugh happily.Awho BwhatCwhom
8、Dthat,单元语法聚焦二,D,. 用before, after或as填空 1He was lucky. He reached the station _ the train left. 2Do you have a swimming pool?No, we dont. At least, not _ big _ yours. 3Give me your paper _ you finish it.,单元语法聚焦二,before,as,as,after,4The child had studied English for two years _ he went to middle school
9、. 5_ the boy finished his homework, he went to bed. He could handed it in on time the next day.,单元语法聚焦二,before,After,. 选词填空 Everyone was surprised at the photos _ (who/that) Mr.Thomas took in the deep sea. 2. The woman_ (whom/who) is talking with my mother is our English teacher. 3. Xiandao Lake in Yangxin is a famous place _ (where/that) well visit next week.,单元语法聚焦二,that,who,that,4. I like music _(that/what) can make me relaxed. 5. I dont like the people _ (who/what) dont help others when they are in trouble.,单元语法聚焦二,that,who,
