2017年高考一輪復習黃金學案――Unit 2  Healthy eating（必修三）

it must have rained last night, for the road is wet. 昨天晚上一定是下雨了，因為路還濕著。    you must have seen the film the gold rush. 你肯定看過電影《淘金熱》。2). 情態動詞can/could可用于否定句中，即can’ t have done /couldn’ t have done，表示對過去發生的事情或狀態的肯定的推測，意為“過去不可能做過，肯定沒做過”。my sister met him at the theatre last night, so he couldn’ t have attended your lecture. 我姐姐昨天晚上在電影院遇見了他，所以他肯定沒參加你的演講.3). 此外，can/could have done還可用于疑問句中表示對過去發生的事情或狀態的不太有把握的推測，常表示“過去可能做過嗎?”(注意：表推測的情態動詞只有can/could常用于疑問句中)i can’ t find tom anywhere in the office building. where can he have gone? 我在辦公樓任何地方都找不到湯姆。他有可能去了哪里了呢？4). 情態動詞may/might +have done表示對已發生的動作或存在的狀態進行不肯定的推測，might語氣稍弱一點兒，只能用于肯定句和否定句中，表示“過去可能做過某事或過去可能沒做過某事”。you might have read about it in the papers. 你可能在報上已經看過這個消息了。[練習] 用括號中所給詞的適當形式填空。1).  一where _______ margaret _______ the empty bottles (can; put)?一she _______ them away. they must be somewhere (can; throw).    2).  一_______he _______ as captain of the football team (can; choose)? 一yes, he must have.    3).  一hurry up, michael! it’ s ten to three.    —goodness me! the class ______ (must; begin). i’ ll be late again.    keys: 1). can; have put    2). can’ t/ couldn’ t have thrown    3). must have begun3. he couldn’ t have yong hui getting away with telling people lies. 他不能容忍永慧撒謊而逍遙法外。[解釋] have sb./sth. doing sth. 使某人或某物一直做某事have sb./sth. doing sth. 容忍某人或某物總是干      have sb./sth. do sth. 使某人或某物做某事(注意不要在do之前加上to)      have sb./sth. done sth. 請人做某事(自己不去做或無法做)，(主語)遭受了不好的事情[典例]1). i had him waiting at the gate from eight o’ clock this morning till now. 我讓他從早上八點一直在門外等候到現在。2). i’ ll have him finish my work. 我將讓他替我把工作完成。3). i had my hair cut. 我請人把我的頭發理了。4). the woman had her handbag robbed yesterday. 昨天，這個婦女的手提包被搶了。[練習] 用括號中所給詞的適當形式填空。1). to my despair, the doctor _____ me ______ in the room for the whole afternoon(have;wait).  2). i ______ my watch ______ because it didn’t work (have; repair).