Unit 4 The art of having fun 语法讲解及专练（含PPT解析）【外研2024版七下英语】

/ 让教学更有效 英语学科 Unit 4 The art of having fun 语法讲解及专练 祈使句 语法精讲 一、祈使句的含义 祈使句表达说话人对对方的叮嘱、劝告、希望、建议、请求或命令等。祈使句一般以_____开头,无时态和数的变化 二、祈使句的常见句型： 以动词原形开头的祈使句 (Do型/Be型) 这类句子的主语常是第二人称you,但you常省略。否定形式是直接在动词前加_____或 _____。 ★Don't give yourself too much stress. 不要给你自己太多压力。 ★_____ too late to learn. 学习永远不会太晚。 ★Be careful not to get lost. 注意不要迷路了。 由let构成的祈使句 (Let型) 这类祈使句常用于请求允许( let us)或提出建议(let’s)。 肯定形式:Let+宾语+动词原形+其他成分 否定形式: ①_____let+宾语(第三人称)+动词原形+其他成分 ②Let+宾语(第一人称)+ _____+动词原形+其他成分 ★Let's go for a picnic tomorrow. 让我们明天去野餐吧。 ★Open your mouth and _____ me have a look. 张开你的嘴，让我看看。 ★Don’t let me down. 不要让我失望 No+v.ing/名词 (No型） 这类祈使句实际上省略了动词,常用在请求、命令和口号中。有些祈使句以no开头,后加名词或动名词,常用于公共场合的提示语,表示 “_____做某事”。 ★ No Photos!禁止拍照 ★ No Parking!禁止停车! ★ No Visitors!游客止步! 三、祈使句的答语 回答祈使句时,要用一般将来时,肯定回答用“Yes, I will.”,否定回答用“_____.” 语法精练 一、单项选择 1．_____ talk with your classmates in class. It’s not good. A．Don’t B．No C．Let’s D．Not 2．_____ park here when you see the sign. A．No B．Not C．Won’t D．Don’t 3．—Tom, _____ here to carry the box for me, will you —All right. A．coming B．came C．come 4．_____ play baseball in the garden. Your grandfather is relaxing there. A．Not B．Don’t C．No D．Can’t 5．Her doctor said, “_____ work so hard.” A．Stop B．Don’t C．Can’t D．No 6．_____ be nervous. A．Stop B．Don’t C．Can’t D．No 7．_____ your homework here tomorrow, Lucy. A．Bring B．Brings C．To bring D．Bringing 8．The doctor says to Tom, “_____ stay up too late.” A．Doesn’t B．Can’t C．Don’t D．No 9．_____ here on time next time, or you’ll be punished. A．Be B．Being C．To be D．Been 10．_____ this kind of peach, and you will like it. A．To try B．Trying C．Tried D．Try 11．_____ tell me the bad news! I’ll be crazy. A．Never to B．Not C．Don’t D．No 12．—Jack, _____ stay up late. It is not good for you. —OK. I won’t. A．doesn’t B．don’t C．/ 13．_____ in the classroom, Eric. —Sorry, Miss Green. A．Not eat B．Not to eat C．Don’t eat D．Can’t eat 14．Lingling is reading, please _____. A．quite B．be quiet C．quiet D．be quite 15．_____ dressed now! We have to go right away (立刻). A．Getting B．To get C．Get D．Gets 二、完成句子 16．You can’t eat ice-cream after dinner.（改为同义句） ice-cream after dinner. 17．Remember to bring your dictionary to school tomorrow. (改为同义句) to bring your dictionary to school tomorrow. 18．play, the, don’t, street, on . 19．You can’t eat in the music room, Jill.(改为祈使句) in the music room, Jill. 20．You can’t do it like that. (改为祈使句) it like that. 21．Talk in class. (改为否定句) in class. 22．Don't smoke in the restaurant.( ... ...