1、Unit 2 Grammar and usage Simple,compound and Simple,compound and complex sentencescomplex sentencesSimple sentencesSimple sentences A simple sentence is made up of one independent clause that contains a subject and a verb.Compound sentencesCompound sentences A compound sentence contains 2 or more ma
2、in clauses.Linking words:for,and,nor,but,or,yet,soI must stay up tonight,for there is much work to do.I must stay up tonight because there is much work to do.Its raining hard,but I think we should go out.Its raining hard.However,I think we should go out.It was still painful so I went to see a doctor
3、.Therefore,thus,hence放句首加逗号放句首加逗号Complex sentencesComplex sentencesA complex sentence contains one main clause and at least one subordinate clause.Linking words:noun clausesadverbial clausesattributive clausethat,which,who,if,whetherbefore,after,since,when,if,because,though,unlesswhich,who,that,whos
4、e,where,when Identify the subject-verb combinations in Part A and tell the type of each sentence.1.We know that being a teenager is sometimes difficult.2.So,we have designed TeenHealthWeb to help you along the journey to adulthood.3.Our website has many articles about teenagers physical and mental h
5、ealth.4.You can look through these articles to find advice on your problem.5.It may not have been addressed before,but dont worry.6.You can visit the“teen health”forum on our website instead.7.We are proud to say this forum is the heart of our website.8.Users are encouraged to post their problems,an
6、d they will get advice from our health experts and other forum users.9.Before you write your post,however,take a look at other users posts first.10.It is likely that the matter has already been discussed on our forum.11.If your problem is a new one,write a post about it.12.Our health experts will be
7、 glad to tell you what steps you can take to improve your situation.13.There is a lot to see,so take some time to look around our website!B11 Your password should be at least eight characters long because this makes it difficult to guess.2 Posts should not give out personal information and they shou
8、ld not include advertisements.3 Describe your problems clearly so other people can understand them easily.4 The experts will reply to you as soon as/when/once they see your posts.5 Let us know what you think of our forum.B11 Your password should be at least eight characters long because this makes i
9、t difficult to guess.2 Posts should not give out personal information and they should not include advertisements.3 Describe your problems clearly so other people can understand them easily.4 The experts will reply to you as soon as/when/once they see your posts.5 Let us know what you think of our fo
10、rum.1.help you along the journey to adulthood2.look through these articles 浏览3.it may not have been addressed before4.It is likely that5.tell you what steps you can takeexpertNOUN a person with special knowledge,skill or training in sth 专家;行家;能手a computer/medical expertHe is an expert at/in/on child
11、 psychology.ADJECTIVE 内行的;经验丰富的expert advice/opinion/knowledgelikely adj.possible or expected 可能的;预料的;有希望的 likely cause/outcome/effects be likely to do/be something Children who live in the countrys rural areas are very likely to be poor.The study shows some people are more likely to suffer back pro
12、blems.be likely that It is very likely that the knowledge we are learning will be applied to practice.1.give out 泄露泄露2.reply to sb 回复回复3.What do you think of 1.There is no point(in)comparing you with others2.Everyone is unique3.lose confidence in myself4.dont take a passive role in the relationship5
13、.have a bad influence on your performance6.cheer upperformanceSeans performance at school has greatly improved.表现表现 employees with strong job performancesa students academic performanceThe school drama club will give a performance of Hamlet.表演表演She has shown enthusiasm in the performance of her duties.执行执行,履行,履行The cars performance on mountain roads was impressive.性能性能
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