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的基本結(jié)構 : 有各種時態(tài)的變化 考點 : 典型例題 鞏固練習 練習回顧 過去分詞見一個背一個 [1]. Now English ____ by more and more people all over the word. A. speaks B. is spoken C. was spoken 一般現(xiàn)在時的被動語態(tài): am / is / are + PP 典型例題 鞏固練習 練習回顧 過去分詞見一個背一個 [2]. The lost boy ____ at the street corner last night. A. was found B. is found C. was looked for 一般過去時的被動語態(tài): was / were + PP 典型例題 鞏固練習 練習回顧 過去分詞見一個背一個 [3]. More manmade satellites ____ in the future. A. will send up B. will be sent up C. are sent up 一般將來時的被動語態(tài): will + be + PP be going to + be + PP 典型例題 鞏固練習 練習回顧 過去分詞見一個背一個 [4]. Three bridges ____ since last year. A. have built B. were built C. have been built 現(xiàn)在完成時的被動語態(tài): have / has + been + PP 典型例題 鞏固練習 練習回顧 過去分詞見一個背一個 [5]. Flowers ____ every day. A. has been watered B. should be watered C. should water 含有情態(tài)動詞的被動語態(tài): 情態(tài)動詞 + be + PP 1) am/is/are +done (過去分詞 ) 一般現(xiàn)在時 2) has /have been done 現(xiàn)在完成時 3)am/is /are being done 現(xiàn)在進行時 4)was/were done 一般過去時 5)had been done 過去完成時 Visitors are asked not to touch the ex