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1、Unit 6 Grammar1 It is + adj. + to do sth. It 是形式主语，真正的主语是动词不定式短语to do sth。也可将动词不定式to do sth放在句首。It is necessary to train for the coming exam.To train for the coming exam is necessary.2 It is + adj. + for + to do sth.表语形容词adj.说明不定式的特征而不是表示人的品质或特征。常用于这种结构的形容词有：easy, difficult, important, hard, necessa
2、ry, possible, interesting等。It is difficult for us to finish the work today. (difficult说明to finish the work的特征)3 It is + adj. + of + to do sth.表语形容词adj.说明人sb.的特征。常用于这种结构的形容词有：kind, polite, clever, foolish, good, nice, generous, careful等It is generous of him to share his computer with you. （generous表示
3、him的特征）4帮助的方法 ways to help5做某事的方法 a way to do sth./a way of doing sth.6给老人让座 give seats to the elderly7帮助盲人过马路 help blind people cross the road8捐钱给慈善机构 donate money to charities9向捐赠某物 donate sth. to10照顾走失的宠物 take care of a lost pet11赢得比赛 win the competition12参加比赛 take part in the competition13为慈善机构工
4、作 work for the charity14询问有关志愿工作 ask about the voluntary (adj.) work15想要成为一名志愿者 want to be a volunteer16意味着很多 mean a lot17有智力障碍的人 people with intellectual disabilities18一对一做他们的工作 do their work one-to-one19在体育组 in the sports group20你的任务是什么？ What are your tasks?21做某事有困难 have trouble in doing sth.22需要更耐心 need to be more patient23给需要的人捐血 donate blood to people in need24在公共场所吸烟 smoke in public places
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