到时候 + Clause
到时候 (dào shíhou) is used to refer to a future point in time, meaning "when the time comes" or "by then." It introduces what will happen or what someone plans to do at that anticipated moment.
到时候我们一起去机场接他吧。
Dào shíhou wǒmen yìqǐ qù jīchǎng jiē tā ba.
When the time comes, let's go to the airport together to pick him up.
你先准备好,到时候我来叫你。
Nǐ xiān zhǔnbèi hǎo, dào shíhòu wǒ lái jiào nǐ.
Get yourself ready first, and I'll come get you when it's time.
到时候天气应该会暖和一些。
Dào shíhòu tiānqì yīnggāi huì nuǎnhuo yīxiē.
The weather should be a bit warmer by then.