主è¯ä»å¥(Subject Clause)
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å½ä¸»è¯çå¥åå«å主è¯ä»å¥.
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ãã主è¯ä»å¥çæ¶æï¼ä¸å主å¥çæ¶æå½±ååéå¶ã
ããï¼1ï¼That he finished writing the composition in such a short time surprised us all.
ããï¼2ï¼Whether we will go for an outing tomorrow remains unknown.
ããï¼3ï¼Who will be our monitor hasn't been decided yet.
ããï¼4ï¼ Whom we must study for is a question of great importance.
ããï¼5ï¼What caused the accident remains unknown.
ããï¼6ï¼Whatever you did is right.
ããï¼7ï¼Whose watch was lost is unknown.
ããï¼8ï¼What we need is time.
ããï¼9ï¼What we need are good doctors.
ããå°ç»:
ããï¼1)å¼å¯¼ä¸»è¯ä»å¥è¿è¯æthat,whether,who,what,whateverç
ããï¼2)è¿è¯ä½äºå¥é¦ä¸è½çç¥
ããï¼3)主è¯ä»å¥å¤§å¤æ°æ
åµä¸è§ä¸ºä¸å,ä½ä¹æä¾å¤,å¦ä¾9
ãã第äºé¨åï¼ä¸ºäºé²æ¢å¥å头éèè½»ï¼é常æå½¢å¼ä¸»è¯itæ¾å¨ä¸»è¯ä½ç½®ï¼çæ£ä¸»è¯æç½®äºå¥æ«
ããï¼1ï¼It is certain that he will win the match.
ããï¼2ï¼It is true that he has made a very important discovery in chemistry.
ããï¼3ï¼It is very likely that they will hold a meeting.
ããï¼4ï¼It is strange that he should do that.
ããï¼5ï¼It is important that we all should attend the meeting.
ããï¼6ï¼It is strange that the man should have stuck to his silly ideas.
ããï¼7ï¼It is a pity that we won't be able to go to the south to spend our summer vacation.
ããï¼8ï¼It is still a mystery what caused the accident.
ããï¼9ï¼It is said that he has gone to shanghai.(=He is said to have gone to shanghai)
ããï¼10ï¼It is known to all that the gun powder was first invented by the Chinese.
ããï¼11ï¼It is suggested that the work should be done with great care.
ããï¼12ï¼It seems that he has seen the film.(=He seems to have seen the film)
ããï¼13ï¼It happened that the two cheats were there. (=The two cheats happened to be there)
ããå°ç»:
ããï¼1)以that å¼åºç主è¯ä»å¥,常以形å¼ä¸»è¯itå¼å¯¼. It is +形容è¯/åè¯/æäºå¨è¯ed + that ä»å¥.
ããï¼2) å¨æäºthatä»å¥ä¸è¦ç¨èæè¯æ° (should+do/should+have done)ä¾å¥4,5,6,11.
ãã主è¯ä»å¥ä¸å®¾è¯ä»å¥ä¸¤è
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ãã主è¯ä»å¥ å®ä¹:å¨å¥åä¸æ
å½ä¸»è¯çæ¯ä¸ä¸ªä»å¥,è¿ä¸ªä»å¥å°±å«å主è¯ä»å¥ã
ãã主è¯ä»å¥æ¯å¨å¤åå¥ä¸å
å½ä¸»è¯çä»å¥ï¼é常æ¾å¨ä¸»å¥è°è¯å¨è¯ä¹åæç±å½¢å¼ä¸»è¯it代æ¿ï¼èæ¬èº«æ¾å¨å¥åæ«å°¾ã
ãã1. It ä½å½¢å¼ä¸»è¯åitå¼å¯¼å¼ºè°å¥çæ¯è¾
ããIt ä½å½¢å¼ä¸»è¯ä»£æ¿ä¸»è¯ä»å¥ï¼ä¸»è¦æ¯ä¸ºäºå¹³è¡¡å¥åç»æï¼ä¸»è¯ä»å¥çè¿æ¥è¯æ²¡æååãèitå¼å¯¼ç强è°å¥åæ¯å¯¹å¥åæä¸é¨åè¿è¡å¼ºè°ï¼æ 论强è°çæ¯ä»ä¹æåï¼é½å¯ç¨è¿è¯thatã被强è°é¨åæ人æ¯ä¹å¯ç¨who/whomãä¾å¦ï¼
ããIt is a pity that you didnât go to see the film.
ãã2. ç¨it ä½å½¢å¼ä¸»è¯çç»æ
ãã(1) It is ï¼åè¯ï¼ä»å¥
ããIt is a fact that ⦠äºå®æ¯â¦
ããIt is an honor that â¦é常è£å¹¸
ããIt is common knowledge that â¦æ¯å¸¸è¯
ãã(2) it is ï¼å½¢å®¹è¯ï¼ä»å¥
ããIt is natural that⦠å¾èªç¶â¦
ããIt is strange that⦠å¥æªçæ¯â¦
ãã(3) it ï¼ä¸åç©å¨è¯ï¼ä»å¥
ããIt seems that⦠似ä¹â¦
ããIt happened that⦠碰巧â¦
ãã(4) it isï¼è¿å»åè¯ï¼ä»å¥
ããIt is reported that⦠æ®æ¥éâ¦
ããIt has been proved that⦠已è¯å®â¦
ãã3. 主è¯ä»å¥ä¸å¯ä½äºå¥é¦çäºç§æ
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ãã(1) if å¼å¯¼ç主è¯ä»å¥ä¸å¯å±
äºå¤åå¥å¥é¦ã
ãã(2) It is said , (reported) â¦ç»æä¸ç主è¯ä»å¥ä¸å¯æåãä¾å¦ï¼
ããIt is said that President Jingo will visit our school next week.
ãã(3) It happensâ¦, It occurs⦠ç»æä¸ç主è¯ä»å¥ä¸å¯æåãä¾å¦ï¼
ããIt occurred to him that he failed in the examination.
ãã(4) It doesnât matter how/whether â¦ç»æä¸ç主è¯ä»å¥ä¸å¯æåãä¾å¦ï¼
ããIt doesnât matter whether he is wrong or not.
ãã(5) å«ä¸»è¯ä»å¥çå¤åå¥æ¯çé®å¥æ¶ï¼ä¸»è¯ä»å¥ä¸å¯æåãä¾å¦ï¼
ããIs it likely that it will rain in the evening?
ãã4. What ä¸that å¨å¼å¯¼ä¸»è¯ä»å¥æ¶çåºå«
ããWhat å¼å¯¼ä¸»è¯ä»å¥æ¶å¨ä»å¥ä¸å
å½å¥åæåï¼å¦ä¸»è¯ï¼å®¾è¯ï¼è¡¨è¯ï¼èthat åä¸ç¶ãä¾å¦ï¼
ããWhat you said yesterday is right.
ããäºï¼å®¾è¯ä»å¥çå 个ç¹å¾ï¼1ãå¼å¯¼è¯ï¼what\which\whose\when\whether\if\where
ãã2è¯åºï¼å®¾è¯ä»å¥å¿
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ããå¦ï¼I think that you must work harder.
ãã宾è¯ä»å¥çå¼å¯¼è¯ãè¿æ¥è¯çåºå«ãå¦å®è½¬ç§»çç°è±¡ã
ãã(1)表达æ¶é´çå 个å¥åï¼ä¸è¬ç¨whenæè
æ¯what timeï¼
ããWhat time will the train leave?
ããç±äºæ¶å»é½æ¯åºå®çï¼ä¹å¯ä»¥ç¨ä¸è¬ç°å¨æ¶ä»£æ¿ä¸è¬å°æ¥æ¶ï¼
ããWhat time does the train leave?
ãã(2)æ¶é´ç表达æ¹å¼ï¼8ï¼19(nineteen past eight),7:57(three to eight)ï¼å¨æ¶é´çä¸é´ä¹å¯ä»¥å ä¸åçåè¯(minutes)
ãã(3)had better +å¨è¯ååãæææ¯æè¦æ±ï¼å»ºè®®ãä½æ¯ä¸ä¸çº§ä¸è½ç¨è¿ç§æ¹å¼ï¼å 为è¯æ°å¤ªéï¼
ããYou had better give up smoking .
ãã(4)sb leave sth +å°ç¹
ããI left my book in my classroom yesterday.
ãã(5)may I have your name(address\age)?ä¸è¬è¯¢é®å¯¹æ¹çå¹´é¾ãååçï¼ä¸è¦ä¹ æ¯ä»¥åçé®æ³ï¼è¿æ ·å¾ä¸ç¤¼è²ï¼èæ¯è¦é访ä¸é¢çé®æ³ã以åçä¹ æ¯æ¯ï¼how old are you? \what's your name?
ãã(6)修饰åè¯ç代è¯æ¬¡åºï¼é-æ-大-å½¢---å¹´---é¢----ç±----ç©--------ç±»+åè¯ï¼
ããthis is a bridge.
ããThis is a beautiful bridge
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