Are they going to have a picnic this weekend ?
Yes, they are.
weekend的中文意思:
n.星期六和星期日;周末;星期六和星期日(或略长一点的)休息时间。
v.过周末;度周末。
读音:英 [ˌwiːkˈend],美 [ˈwiːkend]。
用法:
weekend前的介词只能用at或on。
at the weekend:表时间时,指在时间上的某一时刻。at通常指确切的某个时刻。at the weekend在周末(英国用法)。
on the weekend:表时间时,指在某一天或某一天的某个时间,尤指在星期几。on the weekend在周末(美国用法)。
或
Will they go to have a picnic ?
Yes, they will.
纠正
Are they going to have a picnic this Sunday ?
Yes, they are.
或
Will they go to have a picnic this Sunday ?
Yes, they will.