銆€銆€17.闄宠堪閮ㄥ垎鐢╤ad better +鍘熷舰鍕曡琛ㄧず寤鸿鏅�(sh铆)锛屽晱鍙ラ儴鍒嗙敤hadn鈥檛 +涓昏獮?褰㈠紡銆�

銆€?銆佽硣ou鈥檇 better tell him about the matter, hadn鈥檛 you?

銆€銆€鈶e had better do it by ourselves, hadn鈥檛 we?

銆€銆€18.闄宠堪閮ㄥ垎鐢╱sed to +涓昏獮鏅�(sh铆)锛屽晱鍙ラ儴鍒嗙敤didn鈥檛 + 涓昏獮?鎴杣sedn鈥檛 +涓昏獮?褰㈠紡銆�

銆€?銆佽捕e used to live in the country, didn鈥檛 he?/usedn鈥檛 he?

銆€?銆佽单hey used to be good friends, didn鈥檛 they?/usedn鈥檛 they?

銆€銆€19.闄宠堪閮ㄥ垎鐢╩ust(may, might) + have + V-ed琛ㄧず鎺ㄦ脯鏅�(sh铆)锛岃嫢鍙ヤ腑甯舵湁鏄庨’鐨勯亷鍘绘檪(sh铆)闁撶殑鐙€瑾�锛屽晱鍙ラ儴鍒嗗嫊瑭炵敤閬庡幓鏅�(sh铆)褰㈠紡銆傚锛�

銆€?銆佽捕e might have forgotten his pen in the classroom yesterday, didn鈥檛 he? (涓嶇敤mightn鈥檛 he?/ hasn鈥檛 he?)

銆€?銆佽诞ou must have got up late this morning, didn鈥檛 you?(涓嶇敤mustn鈥檛 you?/haven鈥檛 you?)

銆€銆€20.闄宠堪閮ㄥ垎鐢╩ust(may, might) + have + V-ed琛ㄧず鎺ㄦ脯鏅�(sh铆)锛岃嫢鍙ヤ腑娌掓湁甯舵槑椤殑閬庡幓鏅�(sh铆)闁撶殑鐙€瑾�锛屽晱鍙ラ儴鍒嗗嫊瑭炵敤鐝�(xi脿n)鍦ㄥ畬鎴愭檪(sh铆)褰㈠紡銆傚锛�

銆€?銆佽渤veryone must have known the death of the waitress, haven鈥檛 they? (涓嶇敤mustn鈥檛 they?)

銆€?銆佽诞ou must have worked there a year ago, didn鈥檛 you?(涓嶇敤mustn鈥檛 you?/ haven鈥檛 you?)

銆€銆€21.闄宠堪閮ㄥ垎鐨勪富瑾炵偤寰炲彞鏅�(sh铆)锛屽晱鍙ラ儴鍒嗙殑涓昏獮涓€鑸敤it浠ｆ浛锛屽锛�

銆€?銆佽硡hat he said is true, isn't it? (涓嶇敤didn鈥檛 he?)

銆€?銆佽氮here we will build the dam has not been decided yet, has it? (涓嶇敤won鈥檛 we?)

銆€銆€22.闄宠堪閮ㄥ垎鐨勪富瑾炵偤鍕曞悕瑭炴垨涓嶅畾寮忔檪(sh铆)锛屽晱鍙ョ殑涓昏獮鐢╥t浠ｆ浛銆傚锛�

銆€?銆佽硞o do one good deed is easy for a person, isn't it?

銆€銆€鈶kating is your favorite sport, isn't it?

銆€銆€23.闄宠堪閮ㄥ垎鐨勪富瑾炴槸涓嶅畾浠ｈone锛屽弽缇╃枒鍟忓彞鐨勪富瑾炲彲浠ョ敤one锛屼篃鍙互鐢▂ou銆傚锛歄ne should be ready to help others, shuldn鈥檛 one?