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Unit 2 Section A Grammar Focus (3a~3d)
【学习目标】
1.掌握本课时的重点单词、短语及句型。
2.掌握祈使句与情态动词can、have to、must的用法。
3.能在语篇中正确运用祈使句与情态动词。
【自主预习】
一、单词速查(根据汉语意思写出下列单词)
1. n.队
2. v.喂养;饲养
3. adj.缺席的;不在的
4. adv.轻声地;安静地
5. n.安全带;腰带;皮带
6. n.声音;噪声
二、短语速记(用英文写出下列短语)
1. 插队
2. 缺席;不在
3. 餐厅
三、情境创生(俗话说:“没有规矩,不成方圆。”你能列举在学校里不能干的三件事吗 )(发散性思维)
1._____________________________________________________________________
2._____________________________________________________________________
3._____________________________________________________________________
·学法指导·
不断坚持写关于规则的祈使句,把本单元语法融合进去,可以提升语言表达能力和提高写作水平。
【答案】
一、
1.queue
2.feed
3.absent
4.quietly
5.belt
6.noise
二、
1.jump the queue
2.absent from
3.dining hall
【合作探究】
任务驱动一祈使句练一练
　　英语课上,老师正要求同学们观察祈使句。
1.句子归类。
观察下列句子,找出哪些是祈使句,并将其序号写在横线上。
(1)Animals are our friends.
(2)Please go home now.
(3)Come in and sit down.
(4)She usually walks to school.
(5)Don't give up learning English.
祈使句:
2.将下列句子改为祈使句。
(1)You can't go to work by bike.
→ to work by bike.
(2)You should follow me to the living room.
→ to the living room.
(3)You shouldn't jump the queue.
→ the queue.
(4)You can give me 100 yuan.
→ 100 yuan, please.
任务驱动二情态动词小跟班
　　你知道谁是情态动词的小跟班吗 一起来找一下吧!
1.用括号内所给词的正确形式填空。
(1)—Do you have to (feed) a pet dog
—Yes, I do.
(2)—Can she (buy) the toy
—No, she can't.
(3)You must (do) your homework right now.
(4)—Does he (have) to go to school today
—Yes, he does.
(5)Sam can't (ride) his horse to the farm today.
2.按要求转化下列句子。
(1)Sally has to go to school without breakfast. (改为否定句)
Sally to go to school without breakfast.
(2)Tony can swim well.(改为一般疑问句)
Tony well
(3)—Must I answer your question (作否定回答)
— , you .
(4)—Do you have to do farm work every day (作肯定回答)
— , I .
(5)They can go to school by bus.(对画线部分提问)
they go to school
任务驱动三看图写话试一试
根据图片内容及提示词,写一句话。
1.wait for　　　　　2.dining hall
3.in the hallway 4.in the park
5.eat, drink
1._____________________________________________________________________
2._____________________________________________________________________
3._____________________________________________________________________
4._____________________________________________________________________
5._____________________________________________________________________
【答案】
任务驱动一
1.(2)(3)(5)
2.(1)Don't; go
(2)Follow; me
(3)Don't; jump
(4)Give; me
任务驱动二
1.(1)feed
(2)buy
(3)do
(4)have
(5)ride
2.(1)doesn't; have
(2)Can; swim
(3)No; needn't
(4)Yes; do
(5)How; can
任务驱动三
1.The students are waiting for the school bus.
2.They are eating in the dining hall.
3.It's clean in the hallway.
4.The girl is flying a kite in the park.
5.No eating or drinking here.
【知识超市】
Be polite and treat one another with respect. 要有礼貌,相互尊重。
用法总结　be polite 意为“有礼貌的”;treat one another with respect意为“相互尊重”,它们都是祈使句。
语法链接　
素养训练　根据汉语意思完成下列句子。
1.不要在走廊上跑。
in the hallway.
2.不要在课堂上吃零食。
snacks in class.
Can we bring our phones to class 我们可以把手机带到课堂上吗
用法总结　 can 意为“能;可以”,是情态动词。情态动词后跟动词原形,一起作谓语。
语法链接　情态动词can/have to/must的用法。
1.can意为“能;可以”。其否定形式 can't表示“不能”。例如:You can't watch TV now. 你现在不可以看电视。
2.have to意为“必须;不得不”。它表示一种客观原因导致的不得不做某事。其否定形式为don't have to,表示“不必”。当主语是第三人称单数时,用has to加动词原形。例如:She doesn't have to walk to school today. 她今天不必走路上学。
3.must意为“必须;一定”。它表示主观上认为必须做的事情。当它表示推理、推测时,意为“一定”。例如:You must be hungry. 你一定饿了。
素养训练　 根据汉语意思完成下列句子。
1.——我可以进来吗
——不能。
— I come in
—No, you .
2.——她今天必须做作业吗
——不必。
— she do her homework today
—No, she to.
【答案】
命题点一
1.Don't; run
2.Don't; eat
命题点二
1.Can; can't
2.Must; doesn't; have

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