tailieunhanh - Understanding and using english grammar part 59

Tham khảo tài liệu 'understanding and using english grammar part 59', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 19-5 EXPRESSING PURPOSE USING SO THAT a I turned off the TV in order to enable my roommate to study in peace and quiet. b I turned off the TV so that my roommate could study in peace and quiet. In order to expresses purpose. See Chart 15-1 p. 326. In a I turned off the TV for a purpose. The purpose was to make it possible for my roommate to study in peace and quiet. So that also expresses purpose It expresses the same meaning as in order to. The word that is often omitted especially in speaking. SO THAT CAN Or COULD c I m going to cash a check so that I can buy my textbooks. d I cashed a check so that I could buy my textbooks. So that is often used instead of in order to when the idea of ability is being expressed. Can is used in the adverb clause for a present future meaning. In c so that I can buy in order to be able to buy. Could is used after so that in past sentences. SO THAT WILL SIMPLE PRESENT Or WOULD e I ll take my umbrella so that I won t get wet. f I ll take my umbrella so that I don t get wet. g Yesterday I took my umbrella so that I wouldn t get wet. In e so that I won t get wet in order to make sure that I won t get wet. In f It is sometimes possible to use the simple present after so that in place of will the simple present expresses a future meaning. Would is used in past sentences as in g . note In order that has the same meaning as so that but is less commonly used. Example I turned off the TV in order that my roommate could study in peace and quiet. Both so that and in order that introduce adverb clauses. It is unusual but possible to put these adverb clauses at the beginning of a sentence So that my roommate could study in peace and quiet I turned off the TV Also possible but less common the use of may or might in place of can or could . I cashed a check so that I might buy my textbooks. EXERCISE 13. Using SO THAT. Chart 19-5 Directions Combine the ideas by using so that . 1. Please turn down the radio. I want to be able to get to sleep. - .