江苏省连云港灌云县第一中学高中英语 unit 2 The Environment 语法学案2 新人教版必修5VIP专享

江苏省连云港灌云县第一中学高中英语必修五：unit 2 The Environment 语法学案 2【学习目标】-ing 分词作状语可以表示时间、原因、结果、条件、让步、方式或伴随【自主学习】1.作时间状语,相当于时间状语从句 (常同连词 when, after, while, once, until 等连用)注：当现在分词短语用来表示时间时，可以和 when, after 等引导的时间状语从句互换1.Hearing the bad news, they couldn’t help crying. =When they heard the bad news, they couldn’t help crying. 当听到这个不幸的消息时，他们情不自禁地哭了起来。2Having received his letter, I decided to write back. =After I had received his letter, I decided to write back. 收到他的信后，我决定给他回信。 2. 作原因状语Being a student, I must work hard.=Because I am a student, I must work hardBeing so angry, he couldn’t go to sleep=Because he was so angry, he couldn’t go to sleep. 因为太生气了，他不能入睡。 Having been to the Great Wall many times, he didn’t go last week. = 因为他已经去过长城许多次，上周他就没去。3. 作条件状语Working hard, you will succeed. =If you work hard, you will succeed. 如果你勤奋一点，你就会成功。Putting more salt into the soup, you will find it more delicious=If you put more salt into the soup, you will find it more deliciousBeing given more attention, the trees could have grown better. = 4. 作伴随状语：They came into the classroom, singing and laughing. = •The students came in, ______________(follow) their teacher.•My cousin came to see me from the country, _____________ (bring) me a full basket of fresh fruits.5. 作结果状语当现在分词短语用来表结果时，可以和 as a result 引导的结果状语从句互换。也相当于 which 引导一个非限制性定语从句1The factory keeps releasing smoke, making the air dirty.=The factory keeps releasing smoke,———————————（非限制性定语从句）=The factory keeps releasing smoke.___________ the air ...