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《Using LanguageⅠ》优质课教案下载
Students may give the different answers.
Then show the answers on the screen:
一、行为主体不明确，不必说出或者无法说出动作的执行者时。例如： Football is played all over the world．
二、不易找到或根本就不可能找到动作的执行者时。
例如： My bike was stolen．
三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如： It is said that one day he climbed to the top of a house.
It was reported that her mother died of SARS.
四、汉语中含有“被”、“由”等词时。
例如：Wei Hua was asked to come by Lin Tao．
五、某些句子习惯上用被动语态。
例如：He was born in October, 1989．
六、表示礼貌时。
例如： You are friendly invited to come to our English party at 8:00 p.m. tomorrow．
Step = 3 ﹨ ROMAN III . Revise the Ving form
Give the detailed information about the Ving form on the screen.
V-ing 形式由 “do＋ing” 构成，其否定形式是 “not doing”, V-ing 可以带宾语或状语构成 V-ing 短语，没有人称和数的变化，但有时态和语态的变化。
动词ing是非谓语动词形式中的一种，单独使用时，可充当主语，宾语，表语，定语，宾补，状语等成分。
在语态上，Ving表示主动动作。
在时间上，Ving表示正在进行的动作。
Show the examples and tell students how Ving form is used to be as different items.
Such as: Writing an English comosition is not easy.
My job is teaching.
Teaching is my job.
The story he told us was very interesting.
My sister enjoys standing alone on the seaside.