And if you do not go to sleep now.

如果你现在不睡觉，你知道将会怎样吗？

youdao

If you do not GO after what you want, you'll never have it.

如果你不去追求想得到的东西，你永远也不会得到它。

youdao

If you do not go to the forest and bring me back a bunch of violets, I will beat you to a jelly.

如果你不去森林给我带一束紫罗兰回来，我就把你揍成肉酱。

youdao

If you are going out with your girlfriend,or boyfriend, you do not want another friend to go along on your date.

VOA: special.2009.07.26

My first advice is if you want to make money, which I don't particularly advise, but if you do it's not a bad idea to go into finance.

我的第一个建议是,如果你想赚些钱,虽然我并不鼓励,但如果你要赚钱,那从事金融并不是个坏主意

耶鲁公开课 - 金融市场课程节选

And if you're not sure what to do, you can always go to club fairs,

如果你不确定该做什么，你可以一直去俱乐部的集会，

阿卡贝拉组合最棒 - SpeakingMax英语口语达人

What if you do not have an opportunity to go to school, are you only a half-charged human?

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You do not have to have a forensic examination if you go to a SARC, hospital accident and emergency department or your GP, but you may need to receive treatment for any injuries, emergency contraception or to check for sexually-transmitted diseases.

BBC: Jimmy Savile: Help and support

If you do not get in and have a go at it, then you just get lost.

BBC: Berti Vogts