provided that的用法：當(dāng)表示事實相符的真實語氣時，意為“只要”，that不可省略；當(dāng)表示與事實相反的虛擬語氣時，意為“假如、假設(shè)”，that可以省略；作為固定搭配時，意為規(guī)定。
provided that中文釋義及用法介紹
一、provided that中文釋義
意為假如、設(shè)若，從主語位置來看，provided that為被動，從時態(tài)上來看，provided that為過去時。
二、provided that用法
1、有時候表示事實相符的真實語氣，例如：
We shall go provided that the weather is fine.
只要天晴, 我們就去。
Suppose he can't come, who will do the work?
如果他不能前來, 誰來做這項工作呢?
A Web application is provided that allows the operating system service to be easily invoked.
它提供了一個Web應(yīng)用程序，使操作系統(tǒng)服務(wù)易于調(diào)用。
Is enough information provided that a tester could create tests to verify its operation?
提供測試人員可以創(chuàng)建測試來驗證其操作的足夠的信息了嗎？
I will agree to go provided that ( providing that) my expenses are paid.
如果幫我支付費用，我就同意去。
2、多數(shù)情況下表示與事實相反的虛擬語氣，例如：
Provided it was fine we would have a pleasant holiday.
如果天氣好, 我們的假日真的有可能過得非常愉快。
I will go abroad on condition that my husband goes with me, but he said he wouldn’t.
如果我丈夫能和我一起去, 我就出國，但是他說他不愿意。
The meeting would be put off in case it should rain.
若遇下雨, 會議延期舉行。
Provided that you exercise due care, there is no reason why you shouldn't live to a great age.
只要你適當(dāng)?shù)刈⒁?，你完全可能享有很高的壽命?/p>
And it was easy enough, provided that you could avoid being caught in the act.
而且逃起來也容易，誰會在搞事兒的時候給人當(dāng)場擒拿？
