Unit 2 What is happiness to you?
2). 過去完成時(shí)可以代替一般過去時(shí)，表示驚奇.i saw her coming, but in a minute, she had disappeared.
they wanted to keep it a secret, but a few days later, everyone had known it.3). 當(dāng)主從復(fù)合句中有after, before 引導(dǎo)的時(shí)間狀語從句時(shí),用過去完成時(shí)的地方可用一般過去時(shí).he (had) finished all the homework before his patents got home.after i (had) had a short break, i went on to work out the problem.將來時(shí)態(tài)談?wù)搶淼臓顩r或動(dòng)作一般用將來時(shí)態(tài)。將來時(shí)態(tài)包括一般將來時(shí)、將來進(jìn)行時(shí)和將來完成時(shí)等。1. 一般將來時(shí)一般將來時(shí)表示將來發(fā)生的動(dòng)作或情況。常與表示將來的時(shí)間狀語連用，如tomorrow, next week等。she will come with us to watch a football match tomorrow. 有幾種方法可以表示一般將來。1). will/shall d表示將來發(fā)生的動(dòng)作或出現(xiàn)的狀態(tài),shall僅與第一人稱連用i know i will think about her whenever my life feels unbearable.2). be going to d表示主語計(jì)劃打算的行動(dòng)或看來就要發(fā)生的事情today, i’m going to talk about how to find happiness.3). be doing:表示計(jì)劃或安排好的動(dòng)作（go, come, leave, begin 等動(dòng)詞）4). be to d表示客觀上計(jì)劃或安排好的動(dòng)作the line is to be opened to traffic on may day.5). be about to d表示即將發(fā)生的動(dòng)作,一般不帶時(shí)間副詞或短語he is about to retire.6). d表示與安排，計(jì)劃或時(shí)刻表有關(guān)的動(dòng)作；或用于if, when等狀語從句中代替will do.2. 將來進(jìn)行時(shí)(1)表示將來某一時(shí)間點(diǎn)或時(shí)間段正在進(jìn)行的動(dòng)作。dr brain will be talking about success next time.what will you be doing at eight tomorrow evening?i wonder if it will still be raining this afternoon.(2). 表示即將或按計(jì)劃在未來要發(fā)生的事情, 主語為第一人稱時(shí)往往含有期盼情感.i’ll be seeing my grandma next month. they will be separating in the summer. 3.將來完成時(shí) 表示將來某一時(shí)間之前已經(jīng)完成的動(dòng)作，并往往對將來某一時(shí)間產(chǎn)生影響。 when you get home, you father will have left for america. by the end of next month he will have finished his novel.4. 過去將來時(shí)1)從過去某時(shí)看將要發(fā)生的動(dòng)作。i never imagined that he would become a doctor.i was about to leave when my uncle arrived.2)come, go, leave, arrive等表示位置移動(dòng)的詞，可用過去進(jìn)行時(shí)表過去將來。mr. smith telephoned home to tell his wife that john was coming for supper.he told me that he was leaving soon.5. 近年高考中時(shí)態(tài)考查示例[例1]： 考查過去完成時(shí)[上海春]：the new suspension bridge _____ by the end of last month.has been designed b. had been designed c. was designed d. would be designed[解析]：by (the end of ) last month是過去完成時(shí)的典型的時(shí)間狀語. 懸掛大橋是被設(shè)計(jì), 用過去完成時(shí)的被動(dòng)形式. 答案: b[演變]: john and i ______ friends for eight years. we first went to know each other at a christmas party