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1ãam,isåareç¨äºä¸åç人称åæ°ãamç¨äºç¬¬ä¸äººç§°åæ°ãä¾å¦:I am a teacher.ææ¯ä¸åèå¸ãisç¨äºç¬¬ä¸äººç§°åæ°,没æ人åç©çåºå«ã
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âWho is he?
âHe is Tomâs father.
âWhatâs this?
âIt is a book.
areç¨äºç¬¬äºäººç§°åãå¤æ°å第ä¸ãä¸äººç§°çå¤æ°ãä¾å¦:You are a student. We are students, too.
2ãam,isåareå¯ä»¥å¸®å©ææå¦å®å¥åçé®å¥ãå¨am,isæareä¹åå ä¸not,å³å°å¥ååæäºå¦å®å¥ï¼æbeå¨è¯æå°å¥é¦,å³å°å¥ååæäºçé®å¥ãä¾å¦:
Iâm from China. âIâm not from China. âAre you from China? (对I amçæé®æ¯è¾ç¹å«)
Heâs thirteen years old. âHe isnât thirteen years old. âIs he thirteen years old?
They are policemen. âThey arenât policemen. âAre they policemen?
çäºä»¥ä¸ä¾å¥,ä¸å®è¦æ³¨æam,isåareå¨å¥ä¸ç缩åå½¢å¼ãå¦å¤,am,is,areä¸this,these,thoseå¨ä¸èµ·æ¶ä¸è¬ä¸ç¼©åã
3ãbeä¹å¯ä»¥ä½äºå¥é¦,表示åå«äººæåºè¦æ±ãä¾å¦: Be a good student! å个好å¦çï¼