40 與現(xiàn)在完成時(shí)搭配的時(shí)間狀語　Track 040

下列時(shí)間狀語均表示“從過去開始并一直延續(xù)到現(xiàn)在” （記住這些時(shí)間狀語）。
（1）since +時(shí)間點(diǎn)
a. I’ve worked in this company since 2016.
b. I’ve worked in this company since I left school. （從句用一般過去時(shí)）
（2）for +時(shí)間段
a. I’ve worked in this company for three years.
b. Great changes have taken place in Beijing for the past few years.
近幾年，北京發(fā)生了很大的變化。
（3）表示“到目前為止……”
until now　up until now　up to now　up till now　so far
例句
We have up until now failed to take any action to decide on a common language that would further communication between nations.
到目前為止，我們尚未采取任何行動來確定一門國際通用語言，以促進(jìn)國家間的交流。
（4）表示“最近幾世紀(jì)/年/月以來……”
for the past few years
over the past few years
during the last three months
for the last few centuries
through centuries
throughout history
例句
a. Throughout history man has had to accept the fact that all living things must die, for the very nature of life includes death.
自古以來，人類就必須接受這樣的事實(shí)：一切生命體最終都會消亡，因?yàn)樯谋举|(zhì)包含了死亡。
b. Through centuries the bizarre antics of sleepwalkers have puzzled police, perplexed scientists and fascinated writers.
幾個(gè)世紀(jì)以來，夢游者古怪的行為讓警察和科學(xué)家大為困惑，同時(shí)也讓很多作家為之著迷。