内容正文:
【版本:新人教 册别:选择性必修三】
Discovering useful structures
UNIT 1 ART
Infinitives as the predicative
(不定式做表语)
Learning objectives
Understand the function and meaning of the infinitive when used as a predicate.
Distinguish the difference between -ing form and infinitive constructions
Review the use of infinitives as object, object complement, attributive, adverbial and use this structure correctly to describe the relevant content.
非谓语动词之to do
动词
谓语
非谓语
done
doing
to do
具有动词的特征
具有名词的特征
具有形容词的特征
具有副词的特征
主语 谓语 表语 宾语 定语 状语 宾补
to do
3
Introduction
To be a doctor is hard. (不定式作________ )
His work is to drive a car. (不定式作________)
I want to tell you a story. (不定式作________)
She was the last student to leave the classroom.(不定式作______)
Tell him to leave here next week.(不定式作_______)
主语
表语
宾语
定语
宾语补足语
动词不定式不能单独作谓语,可以作主语、宾语、表语、定语、补语等。
4
不定式的时态和语态:
类别 主动语态 被动语态 意义
一般式 to do
完成式
进行式 /
完成进行式 /
to be done
to have done
to be doing
to have been doing
to have been done
发生在谓语动词之后
发生在谓语动词之前
正在进行
一直持续
e7d195523061f1c0f0ec610a92cff745ee13794c7b8d98f8E73673273C9E8BE17CC3D63B9B1D6426C348A354AD505654C28F453CD7C8F90EADD06C08281DAED7140E5AAAED5880ECE414DFB6A93B82BE019406867034C3A8500A4827DCF3FBF74A471B736410707E336A01C9ADC9BE02ACCB8DF2121D81636A067B8AE80C6AB6F014154F4E7B7247
总结
Think
思考
1.Location位置
2.Function功能
3.Use
用法
Infinitives as the predicative
(不定式做表语)
6
1.【位置】 不定式作表语, 位于系动词之后
1. 状态类: be动词; keep,remain,stay,
2. 感官类: look,feel(摸起来),smell, sound,taste
3. 变化类:become,grow,turn,get,go,come,run,fall
4. 像类: seem, appear,
5. 终止类: turn out 结果是, prove 证明是
2. 功能
① His plan is to clean the room.他的计划是打扫房间。
The students are to meet at the school gate tomorrow.明天学生们将在学校大门口见面。
Discover and Find
Presentation
主语(事物)+be+不定式(作表语)表示主语的具体内容
主语(人)+be+不定式(作表语)表示将来,为“即将”之意。
常用不定式作表语的情况
(1)当主语是
建议: suggestion, advice,proposal
目标与计划: aim, goal, purpose, plan
梦想与希望: dream, wish, hope
职责: duty
3. 【用法】
常用动词不定式作表语,表示主语的内容
My dream is ___________(become) a painter.
My suggestion about improving