中考英語 知識點精講十 4 be supposed to課件

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1、初中英語知識點精講課程be supposed to 情境導入Everyone is supposed to look after their old parents.The train was supposed to arrive an hour ago.You are supposed to have cleaned your room.知識講解一. be supposed to 的用法e.g. I am supposed to start work at 7:30 every morning. 1. 主語為人, + V原形，意為“應該；被期望”(勸告、建議、義務、責任等)。e.g. The

2、 train was supposed to arrive ten minutes ago.2. 主語為物， + V原形，意為“本應；本該”(某事本該發(fā)生卻沒發(fā)生)。知識講解e.g. Tom, you are supposed to have cleaned your room.3. be supposed to + have done“本應該完成某事卻沒有”4. 否定結(jié)構(gòu)： be not supposed to“不被許可，不應當”e.g. You are not supposed to go when the light is red.知識講解二. be supposed to 與 be e

3、xpected to 的區(qū)別e.g. They are expected to make a plan today. He is expected to be a good doctor. be expected to do sth. 預料/被期望做；表示一種可能性。be supposed to do sth. 應該，有義務做；They are expected to arrive at eight. 期待他們八點鐘到達。They are supposed to arrive at eight. 他們應該八點鐘到達。 試比較：be supposed to do sth. 語氣更強即學即練1.

4、Students are supposed _ the school rules. A. follow B. following C. to follow D. to following C即學即練2. She was supposed _ the table, but she didnt. A. to cleaning B. clean C. cleaning D. to have cleaned D課堂小結(jié)一. be supposed to 的用法1. 主語為人, 表示“應該；被期望”2. 主語為物，表示“本應；本該”3. be supposed to + have done“本應該完成某事卻沒有”4. 否定結(jié)構(gòu)： be not supposed to“不被許可，不應當”二. be supposed to 與 be expected to 的區(qū)別