（2021新）牛津译林版高中英语选修一Unit 1 Grammar and usageppt课件.pptx

1、Unit 1 Food matters Grammar and usage 1. What are they doing in the pictures? Where? Lead-in 2. If you have a choice, where would you like to eat? For me, I would like to eat at home. Review To save time, most people perfer to eat outside. Their choices to make about food are different. 1. To study

2、abroad on my own is my dream. 2. Your task today is to clean the house. 3. She pretended not to see me when I passed by. 4. He is said to come back next week. 5. Teachers are always the first to come and the last to leave. 6. To be admitted by a key university, we must try our best to study hard. th

3、e object the subject the attributive the predicative the adverbial the subject complement 1. Its never too late to learn. 2. I was fortunate enough to get the ticket. 3. Jane sang so well as to come out first in the singing competition. 4. He left home, never to return. 5. I have something to tell y

4、ou. 6.You are the first man to arrive here. Review Exploring the rules Below is a blog entry about eating out and eating at home. Find the sentences that use to-infinitives as subjects. To-infinitives as subjects To eat out was also a social activity, . ., it was not that difficult to make a simple

5、and tasty dish. Exploring the rules To-infinitives as predicatives ., my first thought at mealtimes was to eat at a restaurant. My plan is to invite my friends over at the weekend . Working out the rule When the to-infinitive is used as a subject, we usually use the preparatory subject at the beginn

6、ing of the sentence. it To-infinitives as subjects Exploring the rules Working out the rule The to-infinitive can also be used as a predicative. It usually comes after the verb .be To-infinitives as predicatives Exploring the rules The to-infinitives used as subjects 1. To cook Chinese food is not e

7、asy. 2. It is difficult to find a true friend. the subject the subject 1. 动词不定式可以在句中用作主语。动词不定式可以在句中用作主语。 2.动词不定式作句子主语时可以用形式主语动词不定式作句子主语时可以用形式主语it 代替，代替， 将不定式置于句末。将不定式置于句末。 1. It is difficult for me to find a true friend. 2. It is very kind of you to tell us what happened yesterday. (1). it+be+adj+fo

8、r sb to do sth:做某件事对某人而言是做某件事对某人而言是.的的 其中的形容词是描述事情的性质的。其中的形容词是描述事情的性质的。 此类的词有此类的词有difficult, easy, hard, important, dangerous, impossible等等 (2). it+be+adj+of sb to do sth:某人做某事是某人做某事是.的的 其中的形容词是描述人的个性，品质的。其中的形容词是描述人的个性，品质的。 此类的词有此类的词有kind, good, nice, right, wrong,clever,careless, polite,foolish等等 1

9、. It is our duty to help the poor. 2. It is a great honor for us to be present at your birthday party. 3.It took me three hours to finish the homework. (3). it+be+n(for sb)+ to do sth:做某件事是某人的做某件事是某人的. 此类的词有此类的词有a pleasure, a pity, a pleasant thing, ones duty, an honor, a shame, no easy job.等等 (4).i

10、t takes/costs (sb.) some time (hours, months, days, a lot of time, patience.)+to do sth.:某人花时间某人花时间/金钱金钱/其他做其他做 某事某事 1. It seemed impossible to finish the homework in three hours. 2.It appears all right to tell him everything about it. (5). it seems/appears +adj+to do sth. 做某件事似乎是怎么样的做某件事似乎是怎么样的 1.

11、When to start remains undecided. 2.To find the way to the hotel is difficult. 3. “疑问词疑问词+to do sth”作主语。作主语。 4. 不定式作主语时，句子的谓语动词常用单数。不定式作主语时，句子的谓语动词常用单数。 Practice 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。 It is a great honour to be invited to your family. It takes a long time to prepare for home-cooked meals.

12、 你为我们做了这么多美味的菜真的是太好了。 在当今社会，我们学会做饭还是很有用的。 什么时候举行会议还没有定下来。 Practice It is nice of you to make so many tasty dishes for us. Nowadays, it is useful for us to learn how to cook. When to hold the meeting has not yet been decided. The to-infinitives used as predicatives 1. My goal is to enter a famous uni

13、versity. 2. The result remains to be seen. the predicative the predictive 1.动词不定式作表语，通常说明主语的内容。主 语一般是wish, idea, work, task, job, duty, aim等词. 1. They are to marry next week. 2. You are to deliver these flowers before nine. 2.动词不定式作表语，表将来。 1. The question is where to get the medicine. 3.“疑问词+to do s

14、th”作表语。 Practice 她的愿望是成为一名医生。 他似乎忘记了我们的约会。 他们将在下周结婚。 我的问题是在哪里能找到答案。 He seems to have forgotten our appointment. Her wish is to become a doctor. My question is where to find the answer. They are to marry next week. Applying the rules Rewrite the following sentences, using to-infinitives. Answer 1. Th

15、e next dish to be prepared by the cook is Kung Pao Chicken. 2. To prepare home-cooked meals is easy and enjoyable./ It is easy and enjoyable to prepare home-cooked meals. 3. Her dream is to open a restaurant some day. 4. We will put the potatoes in the pot first (in order) to cook them quickly. 5. I

16、 consider the Soup of the Day to be the best option on the menu. Complete the article with the correct forms of the verbs in the brackets. Located to turn to sit painted ranging to invite to be to see Applying the rules Applying the rules Imagine your friend has taken you out to dinner at Sky Buffet

17、. Write a thank-you note to your friend, offering to return the favour by inviting him or her to your home for dinner next weekend. Remember to use to-infinitives. Use the expressions below to help you. Expressions I am writing to I have always wanted to It was so kind of you to I would like/love to

18、 It was wonderful to My plan is to Presenting Dear Tom, I am writing to thank you for taking me to Sky Buffet. It was so kind of you to invite me and book a table by the window. It was wonderful to see the city scenery and watch the beautiful sunset. I have always wanted to give Sky Buffet a try, and it certainly lived up to my expectations! Do you have any arrangements next weekend? My plan is to invite you over to my home for dinner next Saturday. The view wont be as good as at Sky Buffet but I would like to cook you something special to thank you. Yours, Mary _