(
课件网) Unit 1 Food matters Grammar and usage Learning Objectives 01 Learning Objectives 1. In specific expressions, correctly judge whether an infinitive serves as the subject or the predicative. 2. Master the relevant knowledge points about infinitives used as subjects and predicatives through practice. 3. Be able to correctly use the target grammar to write a thank-you letter. Key Points and Difficult Points In specific expressions, correctly judge whether an infinitive serves as the subject or the predicative. Be able to correctly use the target grammar to write a thank-you letter. Lead-in 02 Do you prefer eating out or cooking at home Give me your reasons. or Grammar and usage 03 To -infinitives as subjects and predicatives To-infinitive: The basic form of a verb, usually preceded by "to" e.g.to eat, to cook As subject: Functions as the topic of a sentence. e.g.To cook at home is relaxing. As predicative: Follows a linking verb to explain the subject. e.g.My choice is to eat out. A Exploring the rules Below is a blog entry about eating out and eating at home. Find the sentences that use to-infinitives as subjects or predicatives and fill in the table below. The first ones have been done for you. To -infinitives as subjects To eat out was also a social activity, ... To -infinitives as predicatives ..., my first thought at mealtimes was to eat at a restaurant. ...it was not that difficult to make a simple and tasty dish. My plan is to invite my friends over at the weekend... Working out the rules When the to-infinitive is used as a subject, we usually use the preparatory subject (1) at the beginning of the sentence. The to-infinitive can also be used as a predicative. It usually comes after the verb (2) _____ it be B Applying the rules B1 Rewrite the following sentences using to-infinitives according to the requirements in the brackets. 1 The next dish that the cook will prepare is Kung Pao Chicken. (attributive) _____ 2 The preparation of home-cooked meals is easy and enjoyable. (subject) _____ The next dish to be prepared by the cook is Kung Pao Chicken. To prepare home cooked meals is easy and enjoyable. / It is easy and enjoyable to prepare home-cooked meals. B Applying the rules B1 Rewrite the following sentences using to-infinitives according to the requirements in the brackets. 3 Her dream is that she will open a restaurant some day. (predicative) _____4 We will put the potatoes in the pot first in order that they will be cooked quickly.(adverbial of purpose) _____5 I consider the Soup of the Day as the best option on the menu. (object complement) _____ Her dream is to open a restaurant some day. We will put the potatoes in the pot first (in order) to cook them quickly. I consider the Soup of the Day to be the best option on the menu. B2 Below is a lifestyle magazine plete the article with the correct forms of the verbs in the brackets. B Building your language As long as you are ... ...