A：What are you doing this weekend?
你这个周末要做什么?
B：I don't have any plans.
我没有计划。
注释：
a. What are you doing this weekend?
= What are you going to do this weekend?
(这个周末你打算要做什么?)
b.this weekend 这个周末
= on the weekend
on(the) weekends 每逢周末
over the weekend 整个周末
例：We go to church on weekends.
(每逢周末我们都会去教堂做礼拜。)
I'll be very busy over the weekend.
(整个周末我都会很忙。)