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B4U4 Grammar
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to-infinitive, -ing and -ed as predicative
Read the passage and underline the predicatives (Activity 2).
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to-infinitive, -ing and -ed as predicative
Complete the passage with the correct form of the verbs in brackets (Activity 3).
known
to combine
to seek
to reflect
to express
interested
inspiring
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to-infinitive, -ing and -ed as predicative
Look at the sentences and answer the questions.
a Every artist’s wish is to create something that expresses an idea.
b He was particularly interested in the old story about a fish jumping through the “Dragon Gate”.
c Yang Liping’s passion is dancing.
1. Apart from nouns and adjectives, what other word forms can serve as predicative?
2. Can “interested” in sentence (b) be replaced by “interesting”? Why or why not?
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to-infinitive, -ing and -ed as predicative
Look at the sentences and answer the questions (Activity 1).
a Every artist’s wish is to create something that expresses an idea.
b He was particularly interested in the old story about a fish jumping through the “Dragon Gate”.
c Yang Liping’s passion is dancing.
1. Apart from nouns and adjectives, what other word forms can serve as predicative?
Apart from nouns and adjectives, to-infinitive, -ed, -ing can serve as predicative.
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to-infinitive, -ing and -ed as predicative
Look at the sentences and answer the questions (Activity 1).
a Every artist’s wish is to create something that expresses an idea.
b He was particularly interested in the old story about a fish jumping through the “Dragon Gate”.
c Yang Liping’s passion is dancing.
2. Can “interested” in sentence (b) be replaced by “interesting”? Why or why not?
No, it can’t, because “interested” usually indicates a person’s interest in something while “interesting” usually indicates something making a person interested.
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to do 形式作表语
1. to do 形式作表语的意义
我的目标就是要爬到雪山的顶部。
My purpose/aim/goal is to climb to the top of the snow mountain.
动词不定式形式作表语时表示的动作往往是具体的、一次性的动作,特别是将来的动作。通常主语是表示“目的,愿望,梦想,需求”等的名词。
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to do 形式作表语
2. to do 形式作表语的省略
a. What I want to do is __________ (get) some fresh water.
b. What I need is __________ (make) them happy, not tired.
如果主语部分含有实义动词do的任何形式,则表语中的to可以省略。
to make
(to) get
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v-ing形式作表语
1. v-ing形式作表语的意义
The real question is getting to know the needs of the students.
= Getting to know the needs of the students is the real question.
v-ing形式作表语时表示一般性、习惯性的动作,或抽象的动作,大部分时候主语与表语可以互换。
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v-ing形式作表语 vs v-ed形式做表语
2. v-ing形式作表语与v-ed做表语的区别
The news is really exciting.
The cups are broken.
v-ing形式作表语还可以表示主语具有的特征和属性。
v-ed形式作表语时表示主语(人和事物)的被动关系或存在状态或情感情绪等。
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