1、Section Grammar条件状语从句与让步状语从句1(教材P22)If you say the word “communication”， most people think of words and sentences.2(教材P22) Although these are very important, we communicate with more than just spoken and written words.3(教材P26)Unless youre very unlucky youll soon think of something.4(教材P27)Whatever y
2、ou do, dont leave immediately after the meal is finished.5(教材P27)However hungry you are, you shouldnt start to eat before your host does.条件状语从句条件状语从句是用于表示主句动作发生的前提或条件的从句。引导该从句的连词主要有：if，unless(除非)，as (so) long as(只要)，on condition (that)(如果)，in case(以防)等。(2018北京卷)If we dont stop climate change, many a
3、nimals and plants in the world will be gone.如果我们不阻止气候变化，世界上许多动植物将不复存在。(北京卷)You wont find paper cutting difficult as long as you keep practicing it.只要你不断练习，你不会觉得剪纸很难。(四川卷)Ill be out for some time. In case anything important happens, call me up immediately.我要出去一段时间。如果有什么重要的事情发生，立即给我打电话。Ill let you hav
4、e the book on condition that you return it to me next week.我可以把书借给你，条件是你下星期得还给我。(1)在条件状语从句中，如果主句用了一般将来时，那么从句通常用一般现在时代替一般将来时。(2)unless引导条件状语从句时，要注意这个连词自身在意义上是否定的：unlessif.not.，意为“除非，如果不”。让步状语从句让步状语从句表示前后句之间为让步关系。引导该从句的连词主要有：though, although, as, even if/even though(即使), 疑问词ever/no matter疑问词(无论)等。1tho
5、ugh, although, while引导的让步状语从句这些词引导让步状语从句时，意为“虽然，尽管”，although 较为正式。(安徽卷)Although/Though scientists have learned a lot about the universe, there is much we still dont know.尽管科学家对宇宙已经了解很多了，但是依然有许多我们不知道的东西。(2016浙江卷6月)While online shopping has changed our life, not all of its effects have been positive.尽
6、管网上购物已经改变了我们的生活，但是不是所有的影响都是积极的。(1)though和although引导的让步状语从句可放在主句之前，也可放在主句之后，不与but连用，但可与表示转折的yet, still连用。though可以当副词用，但 although不可当副词用。(2)though引导的从句可以倒装，也可以不倒装，而although引导的从句不倒装。(3) while引导让步状语从句时，一般位于主句之前。2as引导让步状语从句as引导让步状语从句，要用倒装结构：“形容词/副词/名词(不加冠词)/动词原形though/as主语谓语”，即将形容词、副词、名词、动词原形置于句首。(陕西卷)Hot
7、 as the night air was, we slept deeply because we were so tired after the long journey.虽然晚上很热，但因长途旅行之后很累，我们睡得很沉。Hard as/though I tried to explain, he still didnt understand.尽管我尽力向他解释，他仍然不懂。Try as he might, he couldnt solve the problem.尽管他很努力，但还是无法解决这个问题。Child as/though he was, he had a good command
8、of English.尽管他还是个孩子，但他精通英语。3even if, even though引导的让步状语从句even if, even though引导让步状语从句时，意为“即使”。(2016北京卷)My grandfather still plays tennis now and then, even though hes in his nineties.我爷爷虽然已经90多岁了，但他有时还打网球。4“whever”和“no matterwh”引导的让步状语从句“whever”和“no matterwh”所引导的让步状语从句均表示“无论；不管”，可互换。 Whatever/No mat
9、ter what you say, I wont believe you.无论你说什么，我都不会相信你。(1)“no matter疑问词”结构只能引导让步状语从句，而whatever, whoever, whomever, whichever还可引导名词性从句。(2)however引导让步状语从句时，后要紧跟形容词或副词，即：Howeveradj./adv.主语谓语。另外，however还是副词，意为“然而”。Your mother will wait for you however/no matter how late it is.不管多晚，你妈妈都会等着你。5whether.or.引导的让
10、步状语从句whether.or.引导让步状语从句时，意为“无论是否；不管是还是”。Whether you believe it or not, its true.不管你信不信，这是真的。Whether the weather is good or bad, they will set off as planned.不管天气是好还是坏，他们都要按计划启程。 单句语法填空1(陕西卷)I believe you will have a wonderful time here once you get to know everyone else.2He is always on time for sc
11、hool whether it rains or snows.3(四川卷)He is so busy.He cannot afford enough time with his son although/though/even_if he wants to.4(2019北京海淀期末)Poor as/though he was in health, he insisted on doing the experiment in the lab.5Wherever she goes, there are crowds of people waiting to see her.6Many adults
12、 agree that teenagers shouldnt live alone unless they have their parents permission.7Allow children to voice their opinion, even if/though they are different from your own.8(2019江苏淮安期中)We have an adviser on hand in this activity in case you have any worries or problems.9However busy he is, he is rea
13、dy to help others who are in trouble.10While/Although/Though I admit that there are problems, I dont agree that they cannot be solved. 单句改错1She says that shell have to close the shop if business improves.ifunless2I will go, if you come with me or stay at home.ifwhether3Though he was much less experi
14、enced, but he thought he knew better than I did.去掉but4Go there by bus instead of by bike in case of it rains.去掉第二个of5Child although he is, he can tell black from white.althoughas/though 语法与写作1不管他是否喜欢这部电影，他都不会忘记它。Whether he liked the film or not, he couldnt forget it.2即使你失败了，你也会得到一些经验。Even if/though you fail, you will gain experience.3无论你现在的梦想是什么，它总会改变。Whatever(No matter what) your dream is now, it will change.4如果你已经完成了作业，你可以休息。If you have finished your homework, you can have a rest.5除非明天下雨，否则他们会去的。They will go tomorrow unless it rains
