將來(lái)完成時(shí)

　　1) 構(gòu)成：will/be going to do sth.

　　2) 概念

　　a. 狀態(tài)完成：表示某事繼續(xù)到將來(lái)某一時(shí)為止一直有的狀態(tài)。

　　b. 動(dòng)作完成：表示將來(lái)某一時(shí)或另一個(gè)將來(lái)的動(dòng)作之前，已經(jīng)完成的動(dòng)作或一獲得的經(jīng)驗(yàn)。

　　They will have been married for 20 years by then.

　　You will have reached Shanghai by this time tomorrow.

　　現(xiàn)在進(jìn)行時(shí)

　　現(xiàn)在進(jìn)行時(shí)的基本用法：

　　a. 表示現(xiàn)在( 指說(shuō)話人說(shuō)話時(shí)) 正在發(fā)生的事情。

　　We are waiting for you.

　　b. 習(xí)慣進(jìn)行：表示長(zhǎng)期的或重復(fù)性的動(dòng)作，說(shuō)話時(shí)動(dòng)作未必正在進(jìn)行。

　　Mr. Green is writing another novel.

　　(說(shuō)話時(shí)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(dòng)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(dòng)作或持續(xù)存在的狀態(tài)，往往帶有說(shuō)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 findB. 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(gè)仍在持續(xù)的狀態(tài)，應(yīng)用進(jìn)行時(shí)，由于沒(méi)有找到，其影響仍然存在，應(yīng)用完成時(shí)，瞬間動(dòng)詞用于否定式時(shí)可用于完成時(shí)。