1、单元语法小专题( Grammar Focus)语法精讲一、宾语从句(一)用作宾语的从句叫宾语从句。宾语从句需要注意以下三点:1.引导词宾语从句的引导词,可用下面的歌诀记忆:陈述 that 来引导,有时可以省略掉。一般问句表“是否” ,if 或 weather 作引导。特殊疑问作宾从,疑问词连接就可行。2.语序:宾语从句用陈述语序。3.时态(1)如果主句是现在时或将来时,那么宾语从句的时态应根据实际情况选择。如:I hear that Bill has been to Hainan.我听说比尔已经去过海南。(2)如果主句是过去时,那么宾语从句也要用过去的某种时态( 一般过去时、过去进行时、过去将
2、来时、过去完成时)与之对应。如 :He said that he was watching TV when his father came back home.他说当他的爸爸回家时,他正在看电视。(3)如果宾语从句讲述的是客观事实、普遍真理、自然现象、名言、警句、格言、谚语时,不管主句是什么时态,宾语从句都要用一般现在时。如:He said that light travels much faster than sound.他说光速比声音的传播速度快。二、感叹句感叹句是用来表示人的喜、怒、哀、乐等强烈感情的句子,句末通常用感叹号,也可用句号。感叹句通常由 what 或 how 引导。1.wha
3、t 引导的感叹句,主要有以下几种:(1)What(a/an)形容词可数名词单数主语谓语!如:What a beautiful park it is!这个公园太漂亮啦!(2)What形容词可数名词复数主语谓语!如:What hardworking students they are!学生们多么用功呀!(3)What形容词不可数名词主语谓语!如:What fine weather it is!多好的天气呀!2.how 引导的感叹句,主要有两种 :(1)How形容词/副词主语谓语!如 :How clever the little girl is!小姑娘太聪明了!How quickly Tom is
4、writing!汤姆写字太快了!(2)How主语谓语!如:How time flies!时间过得真快呀!语法精练.用 that,what,how ,if 或 whether 填空。1. Wang Hong told _ she was cooking at 6:00 yesterday morning.2. I wonder _ I can get some advice from you.3. I dont know _ or not they will come for our help.4. _ useful the iPhone 6 is!But I cant afford it.5.
5、 _ a wonderful talent show they performed in our school yesterday!6. _ nice children Simon and Jim are!They help Mrs. Li clean the house every day.7. Our geography teacher said _ the earth goes around the sun.8. His father is worried about _ he lost his work.9. _ an exciting basketball match!Miami H
6、eat beat New York Knicks at last.10. _ good advice the teacher gave me!.按要求完成句子,每空一词。11.The floor is very dirty.(改为感叹句)_ _ the floor is!12.He was visiting the museum at eight this morning. John said.(合并为一个句子)John said _ he _ visiting the museum at eight this morning.13.My kite flies so high.(改为感叹句)_
7、 _ my kite flies!14.Did the old man use to play the piano?We wondered.(合并为一个句子)We wondered _ the old man _ to play the piano.15.What an interesting book it is!(改为同义句)_ _ the book is!单元语法小专题(Grammar Focus).1. that 2. if/whether 3. whether 4. How 5. What 6. What 7. that 8. whether 9. What 10. What.11. How dirty 12. that;was 13. How high 14. if/whether;used 15How interesting