一种假设。那么，当说话人想表示"与现在事实相反的"假设时，主句和条件状语从句的谓语动词的"模版形式"是怎样的呢?请观察如下，例如：① If I were you, I wouldn't accept her suggestion. 如果我是你，我不会接受她的建议。② If I knew the answer to the question, I should (would) tell you. 如果我知道问题的答案，我会告诉你的。③ If he were here, he might talk with you. 如果他在这儿，他可能会跟你谈谈的。④ If I didn't do exercise every day, I wouldn't be so strong. 如果我不每天锻炼，我是不会这么强壮的。

Section Ⅱ 阅读

4. One way to catch a glimpse of the future is to examine some of the major trends in contemporary society. 瞥一眼未来是什么样子的办法之一是考察一下当今社会的主要倾向。(p.43 Reading 'Life in the future' 第2行)

　(1) to catch a glimpse意为"看一眼；瞥见"。在句中作one way的定语；to examine some of the major trends in contemporary society作表语。① I caught a glimpse of our new neighbor. 我只看过一眼我们的新邻居。② I glimpsed her among the crowd. 我瞥见她在人群当中。③ The man glimpsed the thief climbing out of the window. 那人瞥见小偷从窗户爬出来。

(2) major (adj. & n. & vi.)主要的，较大的，主修的；major in主修。如：① The major aim of the air raid was the complete destruction of all means of communica- tions by bombing. 空袭的主要目的是通过轰