内容正文:
第10练 情态动词should的用法
should 作情态动词,有实际的词义,但它不可单独作谓语,须与动词原形连用,没有人称和数的变化。其否定形式在其后加not,可缩写为shouldn’t;变为一般疑问句时,should 提到主语之前。它的用法如下:
1. 表示委婉地提出意见或建议,一般意为"应该;应当"。
☞ You should eat lots of healthy food. 你应该多吃些健康的食品。
☞ You should help each other. 你们应该互相帮助。
2. 表示义务、责任,也意为"应该;应当"。
☞ You should study hard. 你应当努力学习。
☞ He should pay for the books. 他应当付书钱。
3. 表示命令和要求,语气比较强烈。
☞ We should respect our teachers and parents. 我们应该尊敬老师和父母。
☞ You shouldn’t be so careless. 你不应该这么粗心。
4. 表示预测和可能性。
☞ He should be a teacher. 他可能是一位老师。
☞ They should be in the classroom. 他们应该在教室里。
5. 表示说话人的感情,如惊奇、愤怒、失望等,多见于以why,who,how,what等开头的特殊疑问句中。☞ Why should I invite her? 为什么我要邀请她?
☞ How should I know? 我怎么会知道?
一、单项选择
1.According to the rule, used batteries ________ be dropped in the red bin for harmful wastes.
A.may B.would C.should D.might
2.Don’t be upset! You ________ cheer up and try it one more time.
A.shall B.might C.could D.should
3.You look so weak! I think you ________ go to see a doctor at once.
A.might B.could C.should D.can
4.We ________ always be thankful to our teachers for their support.
A.must B.should C.can D.could
5.We mustn’t speak loudly in the cinema. We ________ keep quiet.
A.should B.may C.shouldn’t D.can’t
6.—I don’t care what people think.
—Well, you _______ . Some opinions are worth weighing.
A.should B.might C.could D.would
7.We ________ eat or drink in the museum. It is against the rule.
A.shouldn’t B.needn’t C.would D.could
8.We teenagers ________ have dreams. With dreams and hard work, anything amazing ________ be created.
A.may; can B.might; should C.should; can D.must; has to
9.You ________ be careful with the camera. It costs!
A.can B.will C.should D.may
10.—I have no money to invite them to the best restaurant.
—You ________ go to a restaurant. Cooking at home is more fun.
A.needn’t B.can’t C.mustn’t D.shouldn’t
11.It’s of great importance to protect the environment. Each of us ________ take an active part in it.
A.can B.may C.would D.should
12.—How do you like my new dres