人教版八年级下册 Unit 2 Stay healthy.Section A Grammar Focus 语法专题精讲精练（含答案）

中小学教育资源及组卷应用平台 人教版 八下 UNIT 2 Stay healthy.Section A Grammar Focus 语法专题精讲精练 情态动词should/could & 反身代词 一、情态动词should & could should的用法 表“应该”：提建议、表责任/义务，后接动词原形，适用于所有人称。 例：You should finish your homework first.（你应该先完成作业。） 表“不应该”：否定形式为shouldn’t，用于劝诫。 例：You shouldn’t eat too much junk food. It’s bad for your health.（你不应该吃太多垃圾食品，对健康不好。） could的用法 表“可以”：提建议，语气比can更委婉，后接动词原形。 例：You could try yoga to relax.（你可以试试瑜伽放松。） 表“能够”：表示过去的能力（can的过去式），后接动词原形。 例：The clever boy could speak Chinese and French when he was three.（这个聪明的男孩三岁时就能说中法文了。） 二、反身代词 构成 | 人称 | 单数 | 复数 | | 第一人称 | myself | ourselves | | 第二人称 | yourself | yourselves | | 第三人称 | himself/herself/itself | themselves | 核心用法 作宾语：接在动词/介词后，表动作回指主语。 例：Mary taught herself to sing this song.（玛丽自学唱这首歌。） 作同位语：强调主语（可省略，不影响句意）。 例：You can do the job all by yourself.（你可以独自完成这项工作。） 固定搭配：by oneself（独自）、enjoy oneself（玩得开心）、look after oneself（照顾自己） 注意事项 反身代词需与主语的人称、数保持一致。 语法专题精练 I. 用括号内所给单词的适当形式填空 We enjoyed _____ (our) at the new amusement park. The students solved the maths problem _____ (they) after hours of hard thinking. Mary taught _____ (she) to sing this song. How great she is! My brother dressed _____ (him) up as the Monkey King for the party. Please cheer _____ (you) up by singing songs and games during the journey, boys and girls! The little girl can look after _____ (she) when her parents are out. We should learn to do things _____ (we) instead of asking for help. Did you and your friends enjoy _____ (you) at the birthday party last night Tom and Lily made the model plane _____ (they) without any help. When I got lost in the city, I told _____ (I) to stay calm first. II. 单项选择 Shh! This is a library. You _____ keep your voice down. A. can’t B. should C. shouldn’t D. couldn’t Each banke is very dangerous. We _____ learn to protect ourselves. A. might B. should C. could D. would To achieve our dream, we _____ rest on what we have done. A. may not B. shouldn’t C. needn’t D. couldn’t The clever boy _____ speak Chinese and French when he was three. A. might B. would C. could D. must _____ you please give me some advice on improving my English —Sure. You _____ spend more time reading English novels. A. Could; could B. Must; must C. Should; could D. Should; can —I feel stressed before exams. —You _____ listen to some light music to relax. A. should B. can’t C. shouldn’t D. mustn’t When we cross the road, we _____ look both ways first. A. could B. should C. might D. would —_____ I use your dictionary for a minute —Of course. Here you are. A. Must B. Should C. Could D. Need The baby is too young. You _____ leave her alone at h ... ...