Unit3 Discovering Useful Structures 动词ingppt课件-(2022新)人教版高中英语选择性必修第一册..pptx

1、Discovering Useful StructuresUnit 3 Fascinating parkslearning objectives1. Students can recognize and summarize the function and meaning of the -ing form as the subject, the object and the predicative.2. Students can use the -ing form as the subject, the object and the predicative flexibly in writin

2、g.1. Her hobby is collecting stamps.2. He found her a charming girl.3. Checking my watch,I see its 7:30am. 4. She enjoys drawing.5. I found a bag lying on the ground.What are the functions of the ing form in the sentences?作表语作表语作定语作定语 作状语作状语作宾语作宾语作宾语补足语作宾语补足语一一. 动词动词-ing形式作主语形式作主语Observe and summari

3、ze1. Sailing a boat is great fun, but to sail a boat today is not fun because of the strong wind.2. Learning to think critically is an important skill todays children will need for the future.3. Painting and collecting stamps are his hobbies.4. Being educated in Peking University is her dream.5. It

4、is no use learning without practice.1. 直接放在句首，表示抽象的、经常的以及习惯性的动作或状态。动词-ing形式作主语时,根据主谓一致的原则,谓语动词使用_形式。但是意义不同的两个动词-i n g 形 式 并 列 作 主 语 时 , 谓 语 动 词 要 用_形式。(1) Learning to think critically is an important skill todays children will need for the future.(2) Painting and collecting stamps are his hobbies.单数

5、单数复数复数2. it在句首作形式主语，动词-ing形式后置作真正的主语，用形容词或名词作表语，如useful，useless, good, fun, no use, worthwhile等。形式主语it代替动词-ing形式作主语的常见句型:(1) It is a waste of+time/money+doing sth. 做某事是浪费时间/金钱。(2) It is no+use/good/fun+doing sth. 做某事没有用/没有好处/不好玩。(3) It is useless/worthwhile .+doing sth. 做某事是没有用的/值得的(4) It is/was har

6、dly/scarcely worth doing 做不值得3.在there be结构中作主语，常见句型有：(1) There is/was no point(意义) doing干无意义(2) There is no sense in doing 做没有道理(3) There is/was no use doing 干无意义 (4) There is/was nothing worse than doing 没有比更糟的(5) There is no doing. 无法; 不允许注意：注意：1. 动词-ing形式和不定式都可以用作_。动词-ing形式往往表示经常的、习惯性的动作或状态,而不定式常

7、表示某次具体的行为。 2. 如果作主语的动词表示被动意义,那么使用_作主语。3. 动词-ing的否定形式是在其前面直接加上_,带有逻辑主语时，not 应放在逻辑主语和-ing 形式之间。主语主语being donenot【观察思考】 1. Their failing in the examination made them all disappointed.2. Kates leaving made everyone sad.【探究总结】动词动词-ing形式的复合结构作主语时有两种形式形式的复合结构作主语时有两种形式:1.形容词性 +动词-ing形式; 2. +动词-ing形式。物主代词物主代

8、词名词所有格名词所有格二二. 动词动词-ing形式形式作宾语作宾语Observe and summarize1. I quickly lower myself, ducking my head to avoid looking directly into his eyes. 2. A 90-year-old has been awarded “Woman of the Year” for being Britains oldest full-time employee.3. The squirrel was lucky that it just missed being caught. 4.

9、Doctors suggest not eating junk food to stay healthy.5. Do you mind me/my taking photos here?1.有些动词或短语动词只接-ing形式作宾语,不能接不定式。如：考虑建议盼原谅，承认推迟没得想，避免错过继续练， 否认完成停享赏， 不禁介意准逃亡，不准冒险凭想象。consider, suggest/advise, look forward to, excuse, pardon, admit, delay /put off , fancy, avoid, miss, keep /keep on , practi

10、ce, deny, finish, stop, enjoy/ appreciate, cant help, mind, allow/permit, escape, forbid , risk , imagine 2. _后面一般用动词-ing形式作宾语。 如：devote to, object to, pay attention to, get down to, lead to, look forward to, stick to, be used to, devote oneself to等。 3.有些动词既可以接动词-ing形式作宾语,又可以接不定式作宾语,但表示的意义不同,常见如下:re

11、memberdoing记得做过某事todo记得要做某事forgetdoing忘记做过某事todo忘记要做某事regretdoing后悔做过某事todo遗憾要做某事stopdoing停止正在做的事情todo停下来去做另一件事meandoing意味着做某事todo打算做某事介词介词注意：注意：1. 用作宾语的动词-ing形式如果表示被动意义,那么应该使用_。2. 作宾语的动词-ing形式可以和_连用,表示否定意义。 3. 作宾语的动词-ing形式可以有自己的逻辑主语,表示动作行为的实施者。逻辑主语一般用形容词性物主代词、名词所有格或者代词宾格。拓展：后跟动词拓展：后跟动词-ing形式作宾语的动词和

12、短语动词形式作宾语的动词和短语动词建议完成多练习 suggest, finish, practise避免错过少延期 avoid, miss, put off/delay喜欢想象别禁止 enjoy, imagine, forbid许可否定提建议 permit, deny, advise考虑原谅多感激 consider, forgive, appreciate介意冒险可抵制 mind, risk, resist逃避幻想要坚持 escape, fancy, keep推迟讨论早提及 postpone, discuss, mention不喜欢承认即允许 dislike, admit, allow情不自禁

13、是短语 cant helpbeing donenot动名词作宾语有两种情动名词作宾语有两种情况况: 及物动词的宾语，也及物动词的宾语，也可作介词的宾语可作介词的宾语三三. 动词动词-ing形式形式作表语作表语Observe and summarize1. Her job is keeping the lecture hall as clean as possible, but her job today is to clean the meeting room.2. The problem is quite puzzling. Im puzzled about it.3. What worri

14、es me most is her staying up every night.【探究总结】1. 动词-ing形式作表语,用于描述_的内容,表示经常性、一般性的动作;动词不定式也可以作表语,表示某一次具体的动作。 2. 使人产生某种情绪或感觉的动词如puzzle、disappoint、excite、interest、surprise、inspire、move等的-ing形式作表语,表示主语具有的性质或状态,相当于一个形容词,意为“_”;这些动词的-ed形式作表语,意为“感到的”。 3. 作表语的动词-ing形式可以有自己的逻辑主语,表示动作行为的实施者。逻辑主语一般用形容词性物主代词或名词所有格。主语主语令人令人的的Thank you!