名词性从句讲解加练习.ppt

Grammar 名词性从句;英语句子的种类;找出各句中的从句并指出是何种从句。 1. I dont know if I can do it. 2. What he is doing seems very difficult. 3. The important thing is how we can improve our studies. 4. Mr Li always thinks of how he can do more for the people. 5. He gave me the news that some Americans will visit our school tomorrow. ;本质：三种句子充当四种成分;1.任何陈述句加前加that变为名从;2. 一般疑问句又叫yes no question(是否问句）;3.特殊疑问句的陈述语序就是名从; 注意: 主语从句中 注意1. 常用 it 作形式主语 ;这样就构成了下面一些常用句型: It is + n. +从句 a pity, an honor, no wonder 2)It is + adj. +从句 It is unlikely that... 3) It +不及物动词+从句 It happens that... 碰巧…… It seems that 似乎 4) It + be +过去分词+从句 It is said that... 　; Who will do it ____been decided(have /has) What he needs __ that book. What he needs __ some books. ;Exercises :;1.?The young man asked _____ its summer or winter. A. either B. that C. weather D. whether 2.??We dont know ______ they did it . A. how B. who C. what D. which 3. The teacher asks us ____ Jim can come back on time . A. that B. if C. when D. what time 4. Does anybody know ______ we will have a sports meeting this weekend or not . A. if B. where C. whether D. that ;1. That’s ___ the Party called on us to do. A. why B. what C. how D. that 2. The reason is ___ he is unable to operate the machine. A. because B. why C. that D. Whether 3 .That is ___ they separated. A. that B. what C. which D. where 4.Jane is no longer ___ she was four years ago. A. what B. which C. that D. when ;