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1、Period TwoLearning about Language情态动词()1can与could它们的否定式为can not/cannot，could not，简略式为cant，couldnt。主要用法如下：(1)表示能力或可能性。(2)表示许可。(3)can与be able to表示能力时，can常指现在，较be able to更常用。如果只表示能力，两者可互换，仅表过去的能力用could，但表过去的能力或特定行为时，用was/were able to；若指将来的能力则只能用shall/will be able to。be able to还可用于完成时态，而can不能。When he wa
2、s young，he could sing very well.(表能力)他年轻时，歌唱得很好。Man can not live without air.(表可能性)没有空气，人不可能生存。You can sit here.(表许可)你可以坐在这儿。After finishing his courses，he will be able to speak French well.(表能力，用于将来时)修完这些课程后，他将能讲流利的法语。He could/was able to take care of himself when he was ten.(表过去的一般能力)他10岁就能照顾自己了。注
3、意在肯定句中，表示特定的某一过去能力要用was/were able to，而不用could；was/were able to含有“经过努力做到”的意思，但在否定句中，could不受这一限制。He was able to swim halfway before he collapsed.他游到中途就支持不住了。2may与might其否定式为may not，might not，简略式为maynt，mightnt。主要用法如下：(1)表示许可时，用于第一人称，指我(们)被允许做某事；用于其他人称，则指说话者允许主语做某事。(2)在用于请求许可时，may可与can/could换用。(3)表示可能性时，
4、可用may/might动词原形指现在或将来可能发生的动作或情况。You may open your eyes now.(表许可)你现在可以睁开眼睛了。Might I go with you？(表请求，语气比may更委婉)我可以和你一起去吗？The story may not be true.(表可能性)这个故事可能不是真的。3will与would(1)表示请求、建议等，用于第二人称，would比will委婉客气。(2)表示意志、愿望和决心。(3)will表示习惯性动作、规律或某种倾向，通常用于第三人称；would表示过去的习惯性动作、规律或某种倾向。(4)用will be和willhave d
5、one的结构表示推测，主要用于第二、三人称。前者表示对目前情况的推测，后者表示对在将来完成的动作或情况的推测。Will you please go with me?和我一块去好吗？(表请求)I will never do that again.我不会再做那件事。(表决心)My grandpa will talk for hours if you give him the chance.如果你给我爷爷机会，他会讲上好几个小时。(表规律或倾向)We would play football on Sundays.星期天我们总是踢足球。(表过去习惯性动作)He would be at home.他可能
6、在家。(表推测)4must，cant和mustntmust可以表示对现在、过去或将来的猜测，其否定形式不是mustnt，而是cant。cant表示“不能”，是指无能力；mustnt表示“不能”，指的是“禁止，不允许”。在口语里，cant也可表示“禁止，不允许”，但语气不如mustnt强。5shall与should(1)shall用于第一、三人称的疑问句中，表示说话者征求对方的意见或向对方请示。(2)shall用于第二、三人称的陈述句中，表示对对方的命令、警告、威胁或允诺。(3)should表示劝告、建议、命令，同ought to。在疑问句中常用should代替ought to。(4)shoul
7、d have done表示过去应该做而实际没有做；should not have done表示过去不该做而实际做了。Shall she come right now?她马上要来吗？(表征求对方意见)You shall do as your father says.你要照你父亲说的去做。(表命令)We should learn how to use computers.我们应该学会如何使用电脑。(表命令)You should not have waited for me.你本来不必等我。(本来不该做而做了).用情态动词的适当形式填空1We can not thank you too much f
8、or all your help given to us.2The teacher said that we could not leave early.3There must have been something wrong with the engine of his car.It suddenly stopped working halfway.4Its really strange that they should have left without saying goodbye to us.5You should arrive at the airport two hours be
9、fore he goes.6Its nearly five oclock.The taxi should be here soon.7Wang Feng wins an award every year.He must be very strong.8These problems shall be solved as soon as possible no matter how busy you are.Thats my order.9After they mastered some skills，they would communicate with each other about the
10、m.10No matter how hard we push the donkey，it will not move.Its really stubborn.词语填空gain,celebration,origin,custom,take place,religious,energetic,agriculture,independence,admire,belief,starve,ancestor,arrival,award1A fatal accident took_place at this crossing three years ago.2I would rather starve th
11、an beg.3I love the Chinese new year celebration.4She is very religious and goes to church three times a week.5Do you know the origin of Easter?6People who share an ancestor are called relatives.7The story of his miseries is beyond my belief.8The secretary informed me of his arrival.9He has gained ri
12、ch experience in these years.10You should learn to be independent of your parents.11Modern agriculture is spoiling our beautiful countryside.12She has been awarded a scholarship to study at Harvard.13You have to admire the way he handled the situation.14His son is an energetic child.15Social customs
13、 vary greatly from country to country.介词填空1One of the actors was unwell and couldnt go on with the performance.2Once again I went over exactly what I needed to say.3You should listen to the teacher if you want to learn.4She thought of her childhood when she saw the movie.5What do you think of my sin
14、ging?6Have you thought about what job you are going to do?7The men all turned to look at her as she entered the room.8Could you help me look for my wallet?9Dont worry.Ill look after the kids tomorrow.10Children must depend on their parents.11I tried calling him，but hed already left for work.12The ba
15、by reached for the apple but he couldnt get it.翻译句子1You cannot praise him too much.你怎么表扬他都不过分。2You cannot be too careful when crossing the street.过马路时越小心越好。3I can never thank him enough.我对他感激不尽。4Will you speak up a bit?请你说大声一点，好吗？5Could you drive a little faster?请你开快一点好不好？6He cant be more careless.他太粗心了。7She couldnt help but realize that something was wrong.她不禁察觉到出了毛病。8We shall not fail.我们绝不会失败。9You shall pay for it.你一定会受到惩罚的。10You shall not play a j
