11.18 現(xiàn)在進行時 | ||
? | 現(xiàn)在進行時的基本用法: a. 表示現(xiàn)在( 指說話人說話時) 正在發(fā)生的事情。 We are waiting for you. b. 習慣進行:表示長期的或重復性的動作,說話時動作未必正在進行。 Mr. Green is writing another novel. (說話時并未在寫,只處于寫作的狀態(tài)。) She is learning piano under Mr. Smith. c. 表示漸變的動詞有:get, grow, become, turn, run, go, begin等。 The leaves are turning red. It's getting warmer and warmer. d. 與always, constantly, forever 等詞連用,表示反復發(fā)生的動作或持續(xù)存在的狀態(tài),往往帶有說話人的主觀色彩。 You are always changing your mind. 典型例題 My dictionary ___, I have looked for it everywhere but still___ it. A. has lost, don't find B. is missing, don't find C. has lost, haven't found D. is missing, haven't found. 答案D. 前句是一個仍在持續(xù)的狀態(tài),應用進行時,由于沒有找到,其影響仍然存在,應用完成時,瞬間動詞用于否定式時可用于完成時。 |