現(xiàn)在進(jìn)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(xí)慣進(jìn)行:表示長期的或重復(fù)性的動作,說話時動作未必正在進(jìn)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(fù)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(yīng)用進(jìn)行時,由于沒有找到,其影響仍然存在,應(yīng)用完成時,瞬間動詞用于否定式時可用于完成時。