B：I'd like to go on a picnic.

我想要去野餐。

I'd like to go on a picnic.

我想去野餐。

We are planning to go on a picnic.

我们正计划去野餐。

The students often go on a picnic.

这些学生经常出去野餐。

We often go on a picnic in spring.

我们经常在春天去野餐。