.第1节 了解句子1、 基本句子结构（1） S+V（主语+谓语动词不及物）1. The number of female professors dropped significantly in 1970.2. Views on the issue in question vary from person to person.3. The price peaked in august.4. The number of immigrants fluctuated during the 1950s.5. Notions about euthanasia differ widely.（2） S+V+O(主语+谓语动词及物动词+宾语)1. Junk food impairs peoples health.2. Before airing my opinion, I will analyze the hot issue from diverse perspectives.3. Space research squanders our limited public funds.4. Corporal punishment violates childrens dignity.5. Traveling broadens our vision.6. Cross-cultural communication can remove prejudice and hostility.（三）S+V+O2+O1(主语+动词+间接宾语/人+直接宾语/物)1. Job-hoping offers us a sense of achievement.2. I wish Wu Jiachen great success in the exam.3. Taking a part-time offers students an opportunity to combine theory and practice.4. Museum give people a sense of national pride and belonging.(四)S+V+O+OC(主语+动词+宾语+宾语补足语)S+V +O+A(主语+动词+宾语+形容词)1. We consider students evaluation of teachers emotionally detrimental.2. The cloning technology can make humans redundant,replaceable and even extinct.S+V+O+N(主语+动词+宾语+名词）1. In English people name fat people couch potatoes.2. People call TV an idiot box.3. We consider compulsory military service a violation of human rights.S+V+O+Infinitive(主语+动词+宾语+不定式）1. I sincerely invite you to pay a visit to my hometown during the summer vacation.2. I require the department concerned to send someone to settle this thorny matter in a week.（5） S+LV+SC(主语+系动词+宾语+主语补足语）S+LV+N(主语+系动词+名词）1. Language is a vehicle of human thought.2. Censorship is a violation of peoples freedom of expression.3. Sports is a waste of school time and resources.4. The most important factor in raising a child is a secure and loving home environment.5. Space exploration is investment in the future.6. Overpopulation could become a serious worldwide threat.7. Environmental protection and the protection of biodiversity are luxury for developing nations.S+LV+A(主语+系动词+形容词)1. The methods of farming and slaughter of these animals are often barbaric and cruel.2. Abortion is morally and ethically wrong.3. The view that robots will replace humans is ridiculous.4. In appearance,the proposal seems quite convincing and constructive.5. A vegetarian diet proves physically beneficial.6. The price remains constant.二，句子种类（一） 简单句1. We should smoking in public place.2. Some children cannot differentiate virtue from evil .3. Some people go astray .4. Teenagers are innocent and curious .二并列句。1. Smoking cause potential fire hazard for smokers are careless about the cigarette butts .2. P-books will not be replaced by e-books nor will fast food replace traditional food .3. The government has made great efforts to preserve cultural legacy , yet there are still many being severely .4. The museums conserve many kinds of rare cultural relics ;besides ,they provide a perfect place for historians to conduct research .5. Cloning could be used to increase the population of endangered species of animals and thus save them from total extinction 6. Riding a bike has many strengths ,for instance ,it is very cheap and clean .7. Tourism exerts positive influence on the local economy ;for me , the locals can earn money by selling souvenirs to the tourists .8. Many ads and commercials do give important information , about products , however , some of them are merely misleading .(3) 复合句1. Our eating habits have changed drastically since western fast food was introduced into China a decade ago.2. Animal testing is a barbaric practice that deprives animals of the right of subsistence.3. It is undeniable that corporal punishment produces some negatives effects on childrens mental and physical health.4. Some experts suggest that we should encourage people to wear traditional costumes in order to preserve our tradition.5. I can hardly assent to the view that women are inferior to men.6. The most practical countermeasure is that more cameras should be fixed in public areas.（4） 并列复合句1. When everyone fully realizes the significance of language and cultural conservation and takes feasible steps,I firmly believe that we can enjoy a culturally diverse world.2. It is true that the Olympic can promote goodwill and boost the economy of the host country,but this is not to say that they are without disadvantages.第2节 非谓语动词1、 不定式（1） 不定式作主语1. To err is human,to forgive is divine.2. To subsidize artists and musicians is a great waste of limited government revenue.3. To send children to a boarding school helps cultivate independence and social skills.4. It is imperative for the government to constitute more rigid laws and