表示条件的从句用法

with the proviso that如果，假如；

后接表示假设条件的从句：

Okay, with the proviso that Jane agrees, I accept.

好，如果简答应，我就接受。

He agreed to their visit with the proviso that they should stay no longer than one week.

他同意他们来做客，但条件是逗留不得超过一周。

I agree to your plan ,with the proviso that I shall be informed of its progress at regular intervals.

假如你定期向我报告进展情况，我就同意你的计划。

可以引导条件从句的类似词项有：

If,unless,as long as,assuming (that),given(that),in case, in the event that ,on condition (that),on the assumption that, provided (that),providing (that),supposing (that),等

I could do it now, if you like.

如果你愿意的话，我现在就可以做这事。

If that’s what you think, you’re way off base.

你如果那么想就全错了。

If you don’t believe me, go and see for yourself!

要是不信我说的，你自己去看看！

I sleep with the window open unless it’s really cold.

天气若不很冷，我总开着窗户睡觉。

As long as you’re happy, that’s all that matters.

只要你幸福，这就是最重要的事情。

You are welcome to come and stay as long as you give us plenty of notice.

只要你及时通知，我们都欢迎你来住宿。

I hope to go to college next year, always assuming I pass my exams.

我希望明年上大学，当然是在我通过考试的前提下。

Assuming (that) he’s still alive, how old would he be now?

假定他还活着，现在有多大年纪了？

Given that conflict is inevitable, we need to learn how to manage it. 如果冲突是不可避免的，那么我们就要学会如何处理它。

We are working on the assumption that everyone invited will turn up.

我们假定了每一个人都会应邀出席并正就此作出安排。

Provided that you have the money in your account, you can withdraw up to £100 a day.

只要账户存款足够，每天可提取不超过100英镑。

Provided/Providing that you clear your desk by this evening, you can have tomorrow off.
如果你到今晚可以把手头上的工作做完，你明天就可以休息。

We shall do this test provided（或providing）that the weather is fine.
只要天气好，我们就做这个实验。