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II. Infinitives
Is Infinitive Subject, Predicative, Object, Object Complement, Attributive，Adverbial in a Sentence?(key points & difficulties).
(能辨认动词不定式在句中作主语、表语、宾语、宾补、定语或状语)
2. Structures of the infinitive.
(掌握不定式的构成)
3. Features of the infinitive.
(理解不定式的特征)
Review sentence structures.
She can’t find her passport.
S + V + O
The plane is flying quickly.
S + V
The grass turns green.
S + V + P
The boss makes the workers work all day.
S + V + O+OC
The?cute?boy speaks English.? （那个可爱的男孩会说英语。）
The boy?in red?speaks English.? （穿红衣服的男孩会说英语。）
状语是广义的副词
Tom answered?quickly.? （Tom迅速回答。）
Tom answered?in English.? （Tom用英语回答。）
1.Subjects
To learn?English well?is not easy.
学好英语不容易。
To see?is to believe.
眼见为实。
It is not easy?to learn English well.
学好英语不容易。
It's nice?to meet you.
见到你很高兴。