中学英语人教必修四U4 Grammar(1)

Unit 4 Body language 高中英语必修四 Grammar（1） 新知讲解 动词ing形式作状语 情景导入 动词ing 阅读下列句子，体会蓝体部分的用法 1．...I saw several young people enter the waiting area looking around curiously. 2．I stood for a minute watching them and then went to greet them. 3．She stepped back appearing surprised... 新知讲解 动词ing形式作状语非谓语 动词的ing形式(短语)可以在句中作状语来修饰谓语动词 或整个句子，用来表示动作发生的时间、原因、条件、结果、 让步或伴随情况。表示时间、原因或条件时，通常位于句子的 前部；表示方式、伴随或结果时，通常位于句子的后部。 新知讲解 动词ing形式作状语非谓语 1．作时间状语，相当于时间状语从句 Hearing the noise，I turned round. ＝When I heard the noise，I turned round. 听到响声我转过身去。 新知讲解 动词ing形式作状语非谓语 2．作原因状语，相当于原因状语从句 Being too young，he couldn't join the army. ＝Because he was too young，he couldn't join the army. 因为年轻，他不能参军。 新知讲解 动词ing形式作状语非谓语 3．作条件状语，相当于条件状语从句 Working hard，you'll succeed. ＝If you work hard，you'll succeed. 努力工作，你会成功的。 新知讲解 动词ing形式作状语非谓语 4．作让步状语，相当于让步状语从句 动词ing 短语作让步状语，相当于让步状语从句，有时它的前 面可带有连词although，whether，even if，even though等。 Admitting what she said，I still think that she hasn't tried her best. ＝Although/Though I admit what she said，I still think that she hasn't tried her best. 尽管承认她所说的话，但我仍然认为她没有尽最大的努力。 新知讲解 动词ing形式作状语非谓语 5．作方式状语或伴随状语 She walked down the river，singing softly to herself. ＝She walked down the river and sang softly to herself. 她沿着河流一边走，一边轻轻地唱。 新知讲解 动词ing形式作状语非谓语 6．表示结果，作结果状语，相当于结果状语从句。 通常放在句末，中间逗号隔开，表一种自然的、顺理成章的结果。 His parents died in the war，leaving him an orphan. ＝His parents died in the war so that he became an orphan. 他的父母在战争中死亡，以致他成了孤儿。 巩固练习 Ⅰ.单句语法填空 1．Tony lent me the money，________ (hope) that I would do as much for him. 2．________(stand) in a long queue，we waited for the store to open to buy a new iPad. 3．He got up late and hurried to his office，________ (leave) the breakfast untouched. 4．________ (gather) around the fire，the tourists danced with the local people. hoping Standing leaving Gathering 课堂小结 动词ing形式 作状语 时间状语 原因状语 条件状语 让步状语 方式或伴随状语 结果状语