[00:55.36]which指物,在定語句中作主語或賓語
[01:16.94]A plane is a machinewhich can fly.(主語)which=a machine
[01:41.72]The book(which)Iread yesterday wasvery interesting.which=the book
[02:10.28]who,whom,whose指人,在定語從句中分別作主語,賓語和定語
[02:41.09]The woman who sellsvegetables is myneighbor.who=the woman
[03:13.00]Who's the man(who/whom)you just talkedto?who/whom=the man
[04:19.60]Do you know the girlwhose mother is anEnglish teacher?whose=the girl's
[05:11.80]when指時間,在定語從句中作時間關(guān)語
[05:23.69]I'll never forgetthe day when we meteach other.when=on that day
[06:01.62]Summer is the seasonwhen many peoplelike swimming.when=in the season
[06:48.98]where指地點,在定語從句中作地點狀語
[06:56.27]This is the housewhere she used tolive.where=in that house
[07:35.86]This is the housethat/which she likesto visit.that/which=the house
[08:39.98]why指原因,在定語從句中作原因狀語
[08:49.01]I don't know thereason why he'soften late.why=for that reason