1、Section Grammar情态动词(二)新知导引判断下列句子中画线部分情态动词的用法1That is why Letters from Father Christmas could be the perfect book for those who regard Christmas as a special time of year._2The letters were also beautifully illustratedeach must have taken its true author, Tolkien, a long time to complete._3In another
2、 letter, Father Christmas complained about how he could not stop his helpers playing games with the toys instead of wrapping them up._4Interestingly, the letters did not contain the usual warnings to children that they might not receive their presents if they were not good._5Letters from Father Chri
3、stmas tells us that as well as enjoying the adventures of Father Christmas, Polar Bear and other characters at the North Pole, we can all share the true spirit of giving at Christmas time._6By expressing love for his children in such a special way, Tolkien may indeed have been the real Father Christ
4、mas._语法精讲一、情态动词can与could的用法1表示能力:can用来表示现在的能力,could表示过去的能力。I can play basketball now, but I couldnt when I was young.现在我会打篮球了,但小时候我不会。2表示请求和许可:could语气比can委婉,但回答时只能用can。Can/Could you lend me a hand?Yes, I can.你能帮我一下吗?是的,我能帮你。3表示推测,意为“可能”。多用于否定句或疑问句。Can he be in the reading room now?No, he cant be in
5、it. Because I saw him in the office just now.他现在可能在阅览室吗?不,他不可能在(阅览室)。因为我刚刚在办公室看见他了。4表示理论上或习惯上的可能性,意为“可能会”。Jim can be very annoying.吉姆可能会很烦人。易错精点can和be able to表示“能力”时的区别:can用于指现在,常表示自身具有的能力be able to用于各种时态,表示经过努力后所具有的能力Babies can swim when they were born.婴儿们刚生下来时会游泳。(自身具有的能力)Without his hard work, he
6、 was not able to get good grades.如果没有他的努力工作,他是不可能取得好成绩的。(经过努力)即学即练选出下列句中can/could的含义A表示能力 B表示推测C表示请求和许可 D表示理论或习惯上的可能性(1)I believe that he cant be so rude.()(2)I can speak English fluently while he cant.()(3)Scotland can be very warm in September.()(4)Could you please clean this room?()Yes, I can.()二
7、、情态动词may与might的用法1表示征求对方的许可或允许(不用might)对方做某事。May I come in?Yes, you may/can.我可以进来吗?是的,你可以进来。(No, you cant.不行,你不能进来。)You may go now.你现在可以走了。2表示推测(把握不大),意为“可能”,多用于肯定句。might比may可能性更小。He may come, or he may not.他可能来,也可能不来。It may/might rain this afternoon. Youd better take a raincoat with you.今天下午可能会下雨。你
8、最好带上雨衣。3may用于祈使句,表示祝愿。May you succeed!祝你成功!4“may/might as well动词原形”表示“不妨,还不如”。I may/might as well start at once.我还不如马上就开始。即学即练选出下列句中may的含义A.表示许可B.表示推测C.表示祝愿(1)May you be happy!()(2)I think he may come today.()(3)You may keep the book for 2 weeks.()三、情态动词must的用法1must表示命令或强烈的建议,意为“必须”。All the students
9、 must obey the school rules.所有学生必须遵守校规。2表示十分肯定的推测,意为“一定;准是”。Betty must be in the next room. I can hear her talking there.贝蒂肯定在隔壁房间。我能听见她在那儿讲话。3表示说话人的一种态度,意为“偏要;硬要;偏偏”。Why must he go out in the bad weather?为什么他偏要在这种坏天气出门?4must not表示强烈禁止,意思是“不许”“不准”“不可以”等。You mustnt stop your car in the busy street.你不
10、可把车停在繁忙的路上。5回答must问句时,肯定回答多用must;否定回答多用neednt或dont have to。Must I finish my homework before eight oclock?Yes, you must.(No, you neednt.或you dont have to.)我必须要在8点之前完成作业吗?是的,必须。(不,没必要。)即学即练选出下列句中must/mustnt的含义A表示“必须” B表示“一定;准是”C表示“偏要;硬要;偏偏” D表示“禁止,不许,不准”(1)You mustnt fire without my signal.()(2)Why mu
11、st you always interrupt me?()(3)You must be hungry after all that walking.()(4)You must practice your spoken English if you want to improve.().单句语法填空1This indicates _ there is a certain way quantity is represented in their brains.2Sports team owners spend millions of dollars _ (attract) top talent.3
12、_ (occasional), I would read a novel that was assigned, but I didnt enjoy this type of reading.4They no longer paid attention _ the bird and never learned what it was doing.5She had requested the community _ (turn) it into a museum upon her death.6_ (compete) between small and big farms is fierce.7T
13、hey decorated the apartment _ streamers and party lights.选用适当的情态动词填空(can/could,may/might,must)1The expert _ arrive at 9 oclock, but I am not sure.2Tom comes from Australia; he _ speak English very well.3Mary _ play the violin when she was five.4Samuel, the tallest boy in our class, _ easily reach th
14、e books on the top shelf.5He _ break a leg just before we go on holiday.6Cant you stay a little longer?Its getting late. I really _ go now. My daughter is home alone.7You _ be Carol. You havent changed a bit after all these years.8You _ feel all the training a waste of time, but Im a hundred percent
15、 sure later youll be grateful you did it.9_ I use your mobile phone?10If someone had tempted to save him, he _ not have drowned.用适当的情态动词完成句子1如果你非要走的话,至少要等暴雨停了再走。If you _, at least wait until the storm is over.2我们对组织班级活动可能有不同的观点。We _ in organizing class activities.3祝你旅途愉快!_ a good journey!4你不妨现在就告诉他。
16、You _ tell him right now.5走了这么长的路,她一定累了。She _ after such a long walk.6这只残疾的鸟不能飞。你能帮帮它吗?This disabled bird _. _ you help it?7你千万不能把这个小男孩一个人留在家里。You _ at home.8迈克现在肯定不在打扫教室。刚刚我看见他正在操场打篮球。Mike _ now. I saw him playing basketball on the playground a moment ago.9我们都知道,任何人都可能犯错。As we all know, anyone _.10
17、我可以在公园里摘花吗?不,不行。May I pick flowers in this park?No, _.Section Grammar情态动词(二)新知导引1答案与解析:此处could不是can的过去式,而表示较委婉的推测。2答案与解析:表示对过去情况的肯定推测。3答案与解析:不表示推测,此处could为can的过去式,could not表示“不能”。4答案与解析:表示可能性较小的推测。5答案与解析:不表示推测,can意为“能够”。6答案与解析:对过去情况的肯定推测,可能性较小。语法精讲一、即学即练(1)B(2)A(3)D(4)CC二、即学即练(1)C(2)B(3)A三、即学即练(1)D(
18、2)C(3)B(4)A夯实基础一遍落实.单句语法填空1that2.attracting3.Occasionally4.to5to turn6.Competition7.with.选用适当的情态动词填空(can/could,may/might,must)1may2.can3.could4.can5.must6.must7.must8.may9.May/Can/Could10.might.用适当的情态动词完成句子1must go2may have different opinions3May you have4may/might as well5must be tired6cant flyCould/Can7mustnt leave the little boy alone8cant be cleaning the classroom9can make mistakes10you cant/mustnt