Unit 3 On the Move Grammar & Vocabulary 课件-2023-2024学年高中英语外研版（2019）必修第二册

外研必修第二册 Unit 3 Using language 1 2 To understand the usages of to-infinitive as attributive and adverbial of result, and apply them in the real context. To learn vocabulary and expressions about different sports and their benefits. 学习目标 Observe sentences (a)&(b) and find out what are they in common. a. That football is such a simple game to play is perhaps the basis of its popularity. b. It is fun enough to attract millions of people. Both of them have to-infinitive forms. Observe (观察v.) and Learn a. That football is a simple game to play is perhaps the basis of its popularity. What is the function of “to play” in sentence (a)? Is it used to give description or show result? “To play” serves as attributive in sentence (a). It is used to give description. b. It is fun enough to attract millions of people. What is the function of “to attract” in sentence (b)? Is it used to give description or show result? “To attract” serves as adverbial of result in sentence (b). The room is large enough to take a third bed. It is used to show result. to-infinitive 不定式 定义： 表示动作的方向或趋势，除了谓语， 其他角色都能胜任（主语，宾语，表语，定语，状语...)。 to do的基本结构（时态＋语态） 主动形式 被动形式 一般式 to do to be done 完成式 to have done to have been done 进行式 to be doing 无 完成进行式 to have been doing 无 to do的基本结构（时态＋语态） 主动形式 作用 被动形式 to do 目的；将来 to be done 不定式句法功能 1.作主语 To live in the town is very happy. 居住在这个小镇是非常幸福的。 It形式主语 It is +adj+to do It is very happy to live in the town. 居住在这个小镇是非常幸福的。 不定式的逻辑主语：for+名词或代词+to do of sb + to do It' s impossible for me to learn Math well. 对我来说学好数学是不可能的。 It' s kind of you to help me. 你来帮助我，你太好了。 for前的形容词指“事情”。如例句中的impossible是指学好数学这件事是不可能的。 of前的形容词多用来指“人的性格或行为表现”。如例句中的kind指你来帮我，你人很好。 指“人的性格或行为表现”+of：brave (勇敢的) careful (仔细的) foolish (愚蠢的) kind (好心的) rude (粗鲁的) thoughtful (周到的/体贴的)wise (明智的) 2.作宾语 动词+to do/not to do(不定式的否定在to前+not) 动词+疑问词+to do 动词+it+宾补+to do ( it是形式宾语，英语中的尾重原则) I can' t bear to look back. 往事不能回首。 I promised not to tell about it. 我保证不给别人说。 Tell