tailieunhanh - OXFORD PRACTICE GRAMMAR 67

OXFORD PRACTICE GRAMMAR-67 sau đây là giáo trình lý thuyết tiếng anh và bài tập áp dụng từ cơ bản đến nâng cao , nhằm giúp các bạn có thể tự mình ôn tập và củng cố thêm về nền tảng kiến thức môn Anh văn , tự tin đạt kết quả tốt trong kỳ thi ngoại ngữ | OXFORD PRACTICE GRAMMAR 67 ADJECTIVE TO-INFINITIVE B It is easy to drive the car An adjective to-infinitive often comes in this structure with it be. It s important to look in the mirror. It s lovely to see you. It s quite safe to use the ladder. It was silly to make such a fuss. The subject can also be a person. I m delighted to see you. We re ready to start now. C The car is easy to drive Compare these two sentences. They both mean the same thing. It is easy to drive the car. The car is easy to drive. We do not use it in the second sentence. NOT The-car-is-easy-to-drive-it and NOT The-car it is-easy-to-drive. Here are some more examples. Your writing is difficult to read. A small car would be cheap to run. The parade was fascinating to watch. The ladder is quite safe to use. We can use this structure with adjectives meaning good or bad . awful bad exciting fascinating good marvellous nice terrible wonderful. We can also use it with these adjectives cheap convenient dangerous difficult easy expensive impossible safe simple. D Certain sure and likely We can use a to-infinitive after certain sure likely and unlikely. United are certain sure to win. They will certainly win. Sarah is likely to be at work. She is probably at work. E For and of After some adjectives we can use for object to-infinitive see Unit 68 . It s important for drivers to take care. It isn t safe for children to play on ladders. After an adjective describing how someone behaves . polite silly we can use of. It was polite of Emma to write and thank us. Emma was polite. It was silly of me to forget the tickets. I was silly. 68 For with the to-infinitive 117 Too and enough We can use a to-infinitive . to be after an adjective . great . 67 Exercises 1 It is easy to drive the car B Sarah s job is to write advertisements. She is writing one for Compex computers. Write sentences with it and an adjective followed by a to-infinitive. Buy a Compex computer. It isn t expensive. It isn t expensive