itåit isç¨æ³ï¼
1ãå代è¯,代æ¿åæå°çè¿çä¸ä»¶äºæ
.
a.å¯ä»¥æä¸ä¸ªå
·ä½çä¸è¥¿.b.å¯ä»¥æåé¢æè°çäºæ
ææ
åµ.
ä¾å¥ï¼
1ãItâs a nice room.
2ãYou promised to write the article,and you must do it.
2ãå代è¯ä»£æ¿
æç¤ºä»£è¯ this,that
ä¾å¥ï¼
Whatâs this?ââItâs a flag.
3ãèµ·æ示代è¯çä½ç¨,æä¸ä¸ªäººæäºç©,it ææçä¸è¥¿ä¸å¾å
·ä½.
a.ææ¶ææ个å¨ä½ç人.b .ææ¶æå¼èµ·æç§æ
åµçäºç©.
ä¾å¥ï¼
1ãWho is knocking at the door?ââItâs me.
2ãItâs the wind shaking the window.
4ãæç¯å¢,æ
åµç.
ä¾å¥ï¼
Itâs very quiet at the moment.
5ãæ
èªç¶ç°è±¡ï¼å¤©æ°,æ°å,ææçï¼
ä¾å¥ï¼
Itâs getting cold (dark,late,etc.).
6ãæå£è,æ¶é´
ä¾å¥ï¼
It was late autume (early spring,mid summer,etc).
7ãæè·ç¦»
ä¾å¥ï¼
Itâs only five miles (half an hourâs walk).
8ãç¨äºå¼ºè°ç»æ,å¨è¿éit å¯ä»¥è¯´æ²¡æææ.å®åªå¸®å©æ¹åä¸ä¸ªå¥åçç»æ,使æä¸æååå°å¼ºè°,æ¹åç»æçåæ³æ¯ï¼
IT + be + è¦å¼ºè°çé¨å+ that(who,whom) + å¥åå
¶ä»é¨å
强è°çé¨åæ¯äººç¨who(m),å
¶ä»æ
åµå¤ç¨that
ä¾å¥ï¼
It was Mary who (that) met your sister in the zoo yesterday.
It was your sister that (whom) Mary met in the zoo yesterday.
It was in the zoo that (where) Mary met your sister yesterday.
9ãå
å½¢å¼ä¸»è¯,代æ¿ä¸ä¸ªç±
ä¸å®å¼,å¨åè¯çè¯ææ¯ä»å¥è¡¨ç¤ºç主è¯,使åæ¥çè¿äºä¸»è¯å¯ä»¥æ¾å¨å¥ååé¨,é¿å
头éèè½».
a.çæ£ç主è¯æ¯ä¸å®å¼.
ä¾å¥ï¼
Itâs our duty to attend to this letter.
b.çæ£ç主è¯æ¯å¨åè¯.
ä¾å¥ï¼
Itâs no use talking to him about it.
c.çæ£ç主è¯æ¯ä»å¥,è¿ä¸ªä»å¥å¯ä»¥ç¨that å¼èµ·,ä¹å¯ä»¥ç¨ä¸ä¸ªè¿æ¥ä»£è¯æè¿æ¥å¯è¯å¼èµ·.
ä¾å¥ï¼
It happened that I wasnât there that day.
Itâs doubtful whether she will be able to come..
10ãåå½¢å¼å®¾è¯,代æ¿ä¸ä¸ªç±ä¸å®å¼,å¨åè¯,ææ¯
宾è¯ä»å¥,å¾å¾æ宾è¯æ¾å¨å®ç补足è¯åé¢.èç¨itåå½¢å¼å®¾è¯,æ¾å¨
宾è¯è¡¥è¶³è¯ä¹å.
ä¾å¥ï¼
I think it no use arguing with him.