Unit3 Faster,higher,stronger 期末复习知识点课件-2023-2024学年高中英语外研版（2019）选择性必修第一册

XB1 UNIT 3 Faster, higher, stronger 期末复习 过语法 动词­ing作主语 1.-ing做主语，谓语用单数 被动形式为being done -ing 的否定形式 not + -ing Drinking a lot of water is good for you. Going to Hangzhou by train takes about 16 hours from here. Doing exercise is a good way to lose weight. Being praised by his teachers made him regain the confidence. Not making enough preparations in advance usually causes a lot of trouble. 过语法 1. It is no good eating too much sweet food. 2. It is a waste of time sitting here without doing anything. 常用-ing形式作主语的句型有： It‘s a waste of time doing 做某事是浪费时间的 It is/was no need/good/use/fun doing 做某事是没必要/没用的/没有意思的 It is/was worth/worthwhile/useless doing 做某事是值得的/没用的 There is no doing(denying/ knowing/ joking )... 无法做某事; 不允许做某事 过语法 动词­ing的复合结构作主语 1. His returning back to work is a great help to us. 2. It's no use Mary's pretending that she didn't know the rules. 形容词性物主代词/名词所有格＋动词­ing”构成， 过语法 动词­ing形式和to do 作主语的区别 1. Swimming is one of my favourite sports. 2. To swim in this lake is very dangerous. ­ing形式作主语表示一般的、非一次的、抽象的、泛指的动作.(习惯性的) to do 作主语常表示具体的、某一次的、特定的动作。 过语法 1．It's no use              (wait) here.Let's walk home. 2．Swimming with dolphins              (be) one of the world's most profitable tourist activities. 3.              (read) this article will make me think of my hometown. 4．             (ask) a woman's age is impolite in my country. 5．              (ask) by the teacher to leave the classroom made him feel ashamed. 6. There is no              (say) whether the singing contest will be put off or not. 7.I think it no use              (wait) here any more，for he may not come here. waiting is To read Asking Being asked saying waiting 过语法 seeing is believing. To see is to believe. Forgiving others is relieving yourself. 主系表结构中，若表语是-ing, 主语也用-ing 若表语是to do , 主语也用 to do 过语法 过语法 过语法 $$