Объедините два предложение в одно, используя слово в скобках. Употребляйте Present Simple в придаточном времени.Например,I will ask them. They will refuse.(when) They will refuse when I ask them.
We have to clarify a few details. Then we will sign the document.
(before) We have to clarify a few details the document.
I'll be there when you need me.
We must go before it's too late.
Please call me back as soon as you get this message.
Shall we practise the rule after we've read the explanation?
The moment I connect to a free WiFi network, I'll download the update.