與現(xiàn)在完成時“未完成”用法連用的時間狀語

與“已完成”用法一樣，表示具體的過去的時間狀語不能與“未完成”用法連用。與其連用的往往是指一段時間的狀語以具體表示某一動作或狀態(tài)持續(xù)了多久。

a. since +具體時間，表示動作或狀態(tài)從何時開始

Since then, he has developed another bad habit.

自那以后他養(yǎng)成了另一個壞習(xí)慣。

He hasn't been home since he graduated.

他畢業(yè)后就沒回過家。

b. for +一段時間，表示動作或狀態(tài)持續(xù)了多久

We have worked here for ages.

我們在這里工作很久了。

There has been no rain here for nearly two months.

這里已經(jīng)近兩個月沒有下雨了。

c. until now, up till now, so far, up to the moment

到目前為止

I have not seen him so far.

到目前為止我沒見過他。

Up to the present, everything has been OK.

到目前為止一切正常。

d. in/during the past/last five years

在剛剛過去的5年里

He has been away from school during the last few weeks.

過去的幾個星期里他沒在學(xué)校。

In the past few years they have dealt with quite a few international corporations successfully. 在過去的幾年中他們已經(jīng)和好幾家跨國公司做成了生意。

e. all the while, all day一直，一整天

She has been busy all day.

她忙了一整天。

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