there used to be a small river near our schoolï¼ï¼æ¤å¤åä¹çé®å¥ï¼ï¼
there used to be (a small river near our school),
there è¿éæ¯è¡¨ç¤ºä¸»è¯çãæ以åä¹çé®å¥æ两ç§å½¢å¼ï¼didn't thereåusedn't thereæè
usenât there
(used notå¯ç¼©å为usednâtæusenât.)
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there used to be...çåæçé®å¥æ两ç§å½¢å¼ï¼å¦ä¸ï¼
1. didn't there?
2. usedn't there?
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