Unit 1 Grammar and usage ppt课件-（2020）新牛津译林版高中英语选择性必修第一册.rar

Unit 1 Food mattersGrammar and usageLead-in As a real foodie, I enjoy all kinds of foods. My dream is to try different restaurants and taste various foods. Yesterday I invited some friends to try a great new restaurant for dinner. We arrived at the restaurant, only to see a huge line of people waiting to get into the restaurant. Nothing can stop our determination to have a try. We decided to wait outside. After an hour of waiting, we were invited to go into the restaurant and take the order. The dishes are extremely delicious. It is worthwhile to have such a long wait. Exploring the rules Below is a blog entry about eating out and eating at home. Find the sentences that use to-infinitives. To eat out was also a social activity, ., it was not that difficult to make a simple and tasty dish., my first thought at mealtimes was to eat at a restaurant.My plan is to invite my friends over at the weekend .Exploring the rules 主语真正主语表语表语Working out the ruleWhen the to-infinitive is used as a subject, we usually use the preparatory subject at the beginning of the sentence.The to-infinitive can also be used as a predicative. It usually comes after the verb .itbePractice 1He told us whether (have)a picnic was still under discussion. (expose) to sunlight for too much time will do harm to ones skin.被邀请到你家做客真的是太荣幸了。 .在家做饭准备环节需要花很长时间。 .to haveIt is a great honour to be invited to your family.It takes a long time to prepare for home-cooked meals.Being exposed 你为我们做了这么多美味的菜真的是太好了。It is nice of you to make so many tasty dishes for us.在当今社会，我们学会做饭还是很有用的。 It is useful for us to learn how to cook. 不定式作主语时，常用形式主语的句型结构：1. It+be+名词+to do sth.It is still a problem to deside what we should do next.2. It takes sb. + some time +to do sth.It took me an hour to repair my bike.3. It +be + adj. +for sb. to do sth.适用这个句型的形容词有: difficult, easy, hard, important, impossible, necesary等。Its very dangerous for children to cross the busy street.4. Its + adj. + of sb. + to do sth适用用这个句型的形容词有: careless, clever, good, foolish, honest, kind, lazy, nice, right, silly, stupid, wise等。Its clecer of you to work out the maths problems.= You are clever to work out the maths problems.Understanding:1. My goal is to enter my dream university.2. Always remember in mind that your main task is to get this company running smoothly.3. Whether we will succeed or not remains to be seen.不定式作表语，通常用来说明主语的具体内容或性质。常见用作主语的名词有: aim, duty, dream, hope, idea, plan, wish, goal, task, ambition, purpose, work, job等表示目标、意向、计划、任务的词。Practice 21. Ladies and gentlemen, please remain _ (seat) until the plane has come to a complete stop.某些动词常用过去分词作表语修饰“人”：be excited, be dressed in, be seated,be satisfied, be interested, be determined,be married, be used to, be tired,be frightened, be amused, be puzzled,be pleased, be worried about,be concerned about, be encouraged等。seated2. Another way of setting realistic goals is (analyze) your short and long term objectives, keeping in mind your beliefs, values and strengths.3. All we have to do is (push) the button.4. 然而，烹饪对于我来说还有点挑战性。 However, cooking seems to be challenging for me. 是否我能学会做几个菜，以后见分晓。 It remains to be seen if I can cook a couple of dishes. to analyze(to) push特别提醒：1.当主语部分有实义动词do或do的某种形式时，作表语的不定式可以省略to.All I could do mow is (to) keep silent.2. 不定式和动名词作表语都可以用于表示主语“是什么”，但不定式作表语强调的是一次性的、具体的、将要发生的动作；动名词作表语强调的是一般性的，抽象的、经常发生的动作。如比较下面两个句子：The mans job is to paint the walls.(表示一次性的、具体的、目前要做的事)The mans job is painting the walls.(表示经常性的日常工作)3. 某些动词不定式与be动词连用时常用主动形式表被动意义。如：The house is to let.who is to blame for the accident?Rewrite the following sentences, using to-infinitives.The next dish to be prepared by the cook is . To prepare home-cooked meals is .Her dream is to open a restaurant some day.in the pot first (in order) to cook them quickly.I consider the Soup of the Day to be the best .Complete the article with the correct forms of the verbs in the brackets.Locatedto turnto sitpaintedrangingto inviteto beto seePractice 3单句语法填空1. (learn) is to be better life.2. It was kind of you (give) me a helping hand.3. (climb) up the mountain is easy while to go down the hills is hard.4. Above all, I have come to understand that (bring) happiness to others is getting ourselves happiness.5. It took years of work (reduce) the individual pollution and clean the water.To learnto give To climbbringingto reduce6. (complte) the task needs time.7. It is easy me to learn how to drive.8. It is very kind the young man to say so.9. Dont waste time. Its no good (try) to persuade him.10. (know) basic first-aid techniques will help you respond quickly to emergencies.11. His ambition is (become) an actor.12. Officials believe that more than one person may be (blame) for the fire.To completeof fortrying Knowing to becometo blame13. The poor girl appeared so (frighten). She must have seen something (frighten) on her way home.14. Please remain (seat) until the plane has come to a cpmplete stop.15. The manager was (delight) to see so many new products developed after great effort. 16. As you can imagine, if your skin gets (burn), it can be very serious.frightenedfrighteningseateddelightedburned/buent17. It was (surprise) that Tom had chosen her as his partner at the party.18. The way you raised yesterday to solve the problem proved (be) better.19. It remains (see) whether Jim is fit enough to play in the final.20. My deskmate showed no anxiety in face of the competition; she seemed (prepare) for it pretty well.surprisingto beto be seento have prepared翻译句子：1.定期更新数据是非常重要的。It is important for the figuresto update rugularly. 2.要在这个小镇找到路很不容易。Its not easy to find your way around the town.3.爬山是保持健康的好方法。Climbing mountains ia good way to keep fit.4.开车回家通常花我15分钟。It usually takes me 15 minutes to drive hime.Homework:Finish the homework on page 4.