Unit 8 Grammar语法 情态动词should、ought to和had better-2023-2024学年八年级英语上册单元语法精讲精练（沪教牛津版）

班级 姓名 学号 分数 Unit 8 English week 情态动词should、ought to和had better （时间：60分钟，满分：100分） · 定义: 情态动词是表示说话人对有关行为或事物的看法或态度，认为其可能、应该或必须等。 · 特点: 情态动词+ 动词原形，无人称和数的变化。 ※ should和ought to should是情态动词，意为“应该”，表示主观的看法和建议 如：We should help our parents do some housework. ought to在用法上与should相同，可以互相转换。但ought to反映的是客观情况或法律义务和规定，强调有义务或必要做某事。 结构：should do = ought to do should not do (shouldn’t do) = ought not to do Should I do...? = Ought I to do... ※ had better had better是情态动词，意为“最好”，常用于对别人的劝告、建议或表达一种愿望 注意：① 这里的had没有时态、人称和数的变化，任何形式下都用had； ② 一般情况下had缩写’d，即 I’d, You’d等； ③ had better的语气要比should强烈。 1、 单项选择(本大题共50小题，每小题2分，共100分) 1．— I don’t care about the result. — Well, you________. If you fail, you will lose your job. A．can B．should C．will D．may 2．—In order to realize Chinese modernization, what can we youth do? —You ________ communicate with the world equally, share your own opinions, make your voices heard, and tell the world who you are. A．must B．mustn’t C．should D．will 3．—My mother was unhappy because I came home too late. —You ________ say sorry to her. A．have to B．need C．shall D．should 4．—I’m still angry with Grace. What ______ I do? —I think you ______ tell her to say sorry. A．should; could B．must, should C．could; must D．should; must 5．As students, we ________ study hard at school. A．should B．might C．may D．can 6．—I got into a fight with David yesterday. —Why? David is so nice. I think you ________ say sorry to him. A．could B．can C．should D．may 7．—________ I go out to play basketball now, Mom? —No, you can’t. You ________ go to finish your homework first. A．Must; should B．Must; can C．Could; should D．Could; can 8．—I have a stomachache. —I think you _______ eat too much. A．could B．can C．should D．shouldn’t 9．Mary, you ________ see a doctor, because I’m afraid your headache may get worse. A．may B．may not C．shouldn’t D．should 10．If you don’t know the way to the park, you ________ ask a policeman for help. A．must B．should C．mustn’t D．shouldn