②This/It/That is the first/second/third…time that…表示“这/ 那是(某人)第几次做某事”,that 从句中要用现在完成时。 ◆It is the first time that I have visited the city. 这是我第一次游览这座城市。 ③This is+形容词最高级+名词+that…结构,that 从句要用现 在完成时。 ◆This is the best film that I’ve (ever) seen. 这是我看过的最好的电影。
1.表示过去发生或已经完成的某一动作对现在造成的影响或结 果,常用的时间状语:already, so far, never, just, before, recently, for a long time, in the past/last few years 等。 ◆Progress has been so far very good and we are sure that the work will be finished on time. 们确信一定会按时完工。 到目前为止,工作进展顺利,我
writing [典例] (2015· 北京高考书面表达)I am ____________(write) to tell
you my exciting plan for the summer holiday.
解析:此句是书信的开头语,强调现在正在写信,故用现在进 行时。
1.过去某一时刻或某一段时间内正在进行的动作或者存在的状 态。 ◆He was playing basketball with his friends on the playground at 3:00 p.m. yesterday. 昨天下午 3 点他正在操场与他的朋友们一起打篮球。 2.表示过去一个动作发生时另外一个动作正在进行。 ◆She was watching TV when a burglar broke into her house. 当盗贼闯入她家时她正在看电视。