选修7 unit3 Grammar
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Section ⅢGrammar——时间状语从句和省略一、时间状语从句在复合句中起时间状语作用的句子称为时间状语从句。
时间状语从句常用when,while,as,until,since或表示时间意义的名词短语等引导。
1.when,while,as的用法他父亲去世时他才九岁。
Jack was working in the lab when the power cut occurred.杰克正在实验室里工作,这时突然停电了。
They arrived while we were having dinner.他们到时我们正在吃晚饭。
While I played the piano,my sister did her homework.我弹钢琴的时候姐姐在做作业。
As years go by,China is getting stronger and richer.随着时间一年一年过去,中国变得越来越富强了。
I saw my mother as I was getting off the bus.我下公共汽车的时候看见了我妈妈。
[名师点津]when在be about to do...when...,be doing...when...,had done...when...,be on one's way...when...,be on the point of doing...when...等结构中,作“正在那时”讲,表示某个动作正在发生或刚刚发生,另一动作同时发生。
He was about to leave when someone knocked at the door.他刚要离开就有人敲门。
[即时演练1]选词填空:when,while,as①It's much easier to make friends when you have similar interests.②While/When in Vienna he studied music.③You will grow wiser as you grow older.2.until,till的用法他一直等到她讲完。
高中英语 Unit 3 Under the sea Part III Grammar:ing 分词的被动语态形式学案新人教版选修7the sea Part III Grammar:ing 分词的被动语态形式一、【学习目标】1、能根据例句,分析并总结ing分词的被动语态形式的用法。
2、会灵活运用ing分词的被动语态形式。
二、【基础知识】1、ing分词的被动语态的基本形式【研读思考】(1)I had already heard that Gorge didnt like being kept waiting、(2)I could see a whale being attacked by a pack of about six other killers、 (3)Being badly wounded, the whale soon died、(4)From James’s face, I could see he was terrified of being abandoned by us、(5)I saw James being firmly held up in the water by Old Tom、(6)He is worried about not being admitted to that university、(7)I appreciated having been given the chance to study abroad two years ago、(8)Having been invited, Mr、 Li went there to make a speech though he was busy、(9)He was unhappy for not having been invited to the party、(10)Not having been invited, he didn’t attend the wedding、[结构归纳] ing分词的被动语态的基本形式ing分词的被动语态的一般式ing分词的被动语态的完成式肯定形式否定形式2、 ing分词的被动语态形式在句中充当的成分【研读思考】(1)Being laughed at in public is a terrible experience、(2)You can’t eat anything before being operated on、(3)I forgot once being taken to the sea when I was young、(4)The blackboard needs cleaning、(5)The meeting being held now is very important、(6)He glanced into the room and saw Mary a dog being badly treated by a boy、(7)Having been told many times, he still repeated the same mistakes、【结构归纳】动词-ing形式的被动式, 可在句中作________(如句________); ________(如句_______); ________(如句________); ________(如句_______); ________(如句_______),但不能单独作谓语。