2015年MPAcc英语语法概述:时态(一)
2. 现在进行时也可表示将来的动作: 它指按人们的计划、安排将要发生的动作或指即将开始的动作。
I’m leaving for Beijing tomorrow. (表示将来的动作)
Imagine I’m seeing the Mona Lisa. (表示将来的动作)
3. 现在进行时也可用来给习惯性动作加上赞赏或讨厌等感情色彩。
She is always cooking some delicious food for her family. (感情色彩)
He is always finding fault with his employees. (感情色彩)
三、现在完成时
现在完成时表示目前已完成的动作或刚刚完成的动作, 也可表示从过去某一刻发生, 现仍延续着的动作或情况。此时态强调动作对现在的影响。
The conference has lasted for five days. (已完成的动作)
He’s just bought an nuusual taxi. (刚刚完成的动作)
[提示]
1. 当句子中出现表示到现在为止这段时间的状语时, 谓语动词一般用现在完成时。
此类状语有up to (till) now, so far, these days, this summer, for…(后接一段时间的短语), since…等。
We haven’t seen each other again since we graduated in 1987.
2. 句中谓语动词是用一般过去时还是用现在完成时主要取决于动作是否对现在有影响。
What did she say about it?
I have lived in Nanjing for 15 years. (对现在有影响)
四、一般过去时
一般过去时表示过去某个特定时间发生且一下子就完成的动作, 也可表示过去习惯性的动作。一般过去时不强调动作对现在的影响, 只说明过去。
I had a word with Julia this morning. (一下子就完成的动作)
He smoked forty cigarettes a day until he gave up. (习惯性的动作)
1. 一般过去时常与表示过去的时间状语或从句连用, 如yesterday, last week, in 1993, at that time, once, during the war, before, a few days ago, when …等。