earthquakes課件4

1、第四學(xué)時　Grammar,語法精講,定語從句（1)【觀察領(lǐng)悟】觀察下列句子，體會定語從句的用法。1．A huge crack that was eight kilometres long and thirty metres wide cut across houses，roads and canals.2．The number of people who were killed or seriously injur

2、ed reached more than 400，000.,3．Then，later that afternoon，another big quake which was almost as strong as the first one shook Tangshan.4．The army organized teams to dig out those who were trapped

3、 and to bury the dead.5．Workers built shelters for survivors whose homes had been destroyed.6．The boys who are playing football are from Class One.,7．The girl whose father had given us a report got first.8．Th

4、e girl whom I called just now is from America. 【自我歸納】1．例句1、3的關(guān)系詞分別為________和________，其先行詞皆為物，可以互換。2．例句2、4和6的關(guān)系詞皆為________，其先行詞為________、________和________。3．例句5、7的關(guān)系詞為________，在定語從句中作定語。4．例句8的關(guān)系詞為________，在定語從句中作賓語。,

5、that,which,who,people,those,the boys,whose,whom,一、定義及分類在主從復(fù)合句中，對某一名詞或代詞起修飾作用的從句。被修飾的名詞或代詞叫先行詞，引導(dǎo)定語從句的詞叫關(guān)系詞。關(guān)系詞有關(guān)系代詞(who；whom；whose；which；that；as)和關(guān)系副詞(when；where；why)。關(guān)系詞常有3個作用：引導(dǎo)定語從句；代替先行詞；在定語從句中擔(dān)當(dāng)一個成分。,二、引導(dǎo)限制性定語從句的關(guān)系代

6、詞,The man who/that is talking with my father is a teacher.正和我父親說話的那個人是教師。Guilin is a city which/that has a history of 2，000 years.桂林是一座擁有2 000年歷史的城市。,The man (whom) you met just now is my father.你剛剛遇到的人是我父親。Nobody w

7、ants the house whose roof has fallen in.沒有人要這個屋頂已坍塌的房子。,注意：(1)關(guān)系代詞that既可指人也可指物。有時可與關(guān)系代詞which/who/whom互換，但是當(dāng)which，whom放在介詞的后面作賓語時，不能與that互換。,(6) as引導(dǎo)定語從句，可構(gòu)成the same...as，such...as結(jié)構(gòu)。三、關(guān)系詞只能用that而不用which的情況1．當(dāng)先行詞為all，e

8、verything，nothing，anything，little，much等不定代詞以及先行詞被這些詞修飾時。All that can be done has been done.一切能做的都已經(jīng)做了。2．先行詞被形容詞最高級或序數(shù)詞修飾時。This is the largest ship that I have ever seen.,這是我曾經(jīng)見過的最大的船。3．當(dāng)先行詞被the only，the very，the las

9、t修飾時。This is the very book that I am looking for.這正是我要找的那本書。4．當(dāng)先行詞既指人，又指物時。We often talk about the persons and things that we remember.我們常常談起我們記得的那些人和事。,5．當(dāng)主句是以who或which開頭的疑問句時，為避免重復(fù)而用that。Who is the boy that shoo

10、k hands with you just now?剛才和你握手的男孩是誰？6．當(dāng)先行詞在從句中作表語時。Shanghai is no longer the city that it used to be.上海已不再是過去那個樣子了。,跟蹤練習(xí),一、從who，whom，which，that，whose中選擇恰當(dāng)?shù)脑~填入下列句子1．Do you still remember the chicken farm __________

11、 we visited three months ago?2．Some countries ________names I had never heard of before were shown on the map.3．Anyone ________failed to come to the meeting yesterday must give his reason.,that