内容正文:
Period Ⅱ Grammar
单元语法:The ing form as the subject (动词ing形式作主语)
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英语 选择性必修第一册
核心语法 专项突破
课堂检测 素养达标
课时作业 巩固提升
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英语 选择性必修第一册
[语法体会]
诵读下列例句并感知加黑部分的共性
(1)[P26教材原文] Even though the sun is brightly shining, telling whether it is morning or night is impossible.
(2)[P26教材原文] Getting here is quite difficult...
(3)[P26教材原文] For hundreds of years, looking after reindeer was a way of life for the Sami.
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英语 选择性必修第一册
(4)[P27教材原文] Being in such a beautiful and wild place makes me feel blessed to be alive.
第(1)(2)(3)(4)中的动词ing形式在句中作 。
主语
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英语 选择性必修第一册
[知识精要]
1.动词ing形式作主语通常表示一般性、习惯性的动作,且谓语动词一般用单数。
Going to Hangzhou by train takes about 10 hours from here.从这儿乘火车到杭州大约要10个小时。
Doing is better than wishing.干比空想好。
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英语 选择性必修第一册
2.动词ing形式作主语,且主语较长时,为了平衡句子结构,通常用it 作形式主语。常见句式:
It is/was no use/good+doing...做……无用/益
It is/was useless/worth/worthwhile/a waste of time+doing...做……是无用的/值得的/浪费时间的
It is a waste of time trying persuading such a person.
试图说服这样的一个人是浪费时间的。
It is no good eating too much sweet food.吃太多的甜食没有好处。
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英语 选择性必修第一册
[名师点津] 动词ing形式和不定式都可以作主语,动词ing形式作主语表示一般或抽象的多次性行为,不定式作主语往往表示具体的或一次性的动作。
Playing with fire is dangerous.
玩火危险。(泛指)
Be careful!To play with fire will be dangerous.
小心点!玩火会带来危险。(指一具体动作)
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英语 选择性必修第一册
3.在“There is no...”结构中,通常用动词ing形式。
There is no joking about such a matter.这种事开不得玩笑。
There was no knowing when he would leave.谁也不知道他什么时候离开。
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英语 选择性必修第一册
Ⅰ.单句语法填空
1.____________ (walk) is a good form of exercise for both the young and the old.
2.____________ (master) a foreign language calls for a great deal of memory work.
3.It is difficult ________ (see) how more savings can be made.
Walking
To master
to see
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英语 选择性必修第一册
4.____________ (consult) this kind of dictionary is really a piece of cake.
5.Since then,__________ (find) ways to grow more rice has been his life goal.
6.____________ (eat) more fruit every day is helpful to keep you away from illness.
Consulting