We could go next weekend.
我们可以下周末去。
A Let’s go to the club next weekend.
A 咱们下周末去俱乐部。
B OK. We could go next weekend. Is the music good there?
B 好。我们可以下周末去。那里的音乐好吗？
A Yes, there’s great dance music in the nightclub.
A 是的，在夜总会有非常好的舞曲。
B OK, I’ll give it a try. Maybe it’s not too bad.
B 好，那我去看看。也许不太坏。
A Let’s plan to go next Saturday night. That’s always a good night at the club.
A 咱们计划下周六晚上去。在俱乐部的夜晚总是很美好。
B OK. I’ll keep Saturday night free and we can go then.
B 好的。我把周六晚上空出来，到时候我们就可以一起去了。

Notes注释
1.Notice these time phrases: next weekend / next weekend: next Saturday night / next Saturday night.
注意这些短语：next weekend /下周末：next Saturday night /下周六晚上
2.You can also use plan / plan as a verb when you talk about future arrangements, eg Let’s plan to go next Saturday / Let’s plan to go next Saturday.
当谈论将来的安排时你也可以把plan /计划当成一个动词来用，例如Let’s plan to go next Saturday /咱们计划下周六去。
3.You talk about keeping time free / keeping time free for something, eg a plan, a meeting, an arrangement, eg: I’ll keep Saturday night free / I’ll keep Saturday night free : I’ll keep tomorrow afternoon free for our meeting / I’ll keep tomorrow afternoon free for our meeting.
你可以谈论keeping time free /把时间空出来做某事，比如一个计划，一个会议，或者某个安排。例如：I’ll keep Saturday night free /我将把周六晚上空出来。I’ll keep tomorrow afternoon free for our meeting /我将把明天下午空出来与你见面。

Key phrases and sentences
Let’s go to the club next weekend.
OK. We could go next weekend. 
Is the music good there?
Yes, there’s great dance music in the nightclub.
OK, I’ll give it a try. Maybe it’s not too bad.
Let’s plan to go next Saturday night. 
That’s always a good night at the club.
OK. I’ll keep Saturday night free and we
can go then.

咱们下周末去俱乐部。
好。我们可以下周末去。
那里的音乐好吗？
是的，在夜总会有非常好的舞曲。
好，那我去看看。也许不太坏。
咱们计划下周六晚上去。
在俱乐部的夜晚总是很美好。
好的。我把周六晚上空出来，到时候我们就可以一起去了。