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牛津译林版（2019）英语选择性必修一《Unit 1 Food matters》Grammar and usage 优质课ppt课件
Grammar and usage
? 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 as subjects.
To-infinitives as subjects
To eat out was also a social activity, ...
..., it was not that difficult to make a simple and tasty dish.
Exploring the rules
Working out the rule
When the to-infinitive is used as a subject, we usually use the preparatory subject at the beginning of the sentence.
it
To-infinitives as subjects
Exploring the rules
Exploring the rules
Below is a blog entry about eating out and eating at home. Find the sentences that use to-infinitives as predicatives.