在英语中，你通过给动词加-ing来构成现在分词。

In English, you ___form the present participle by adding -ing to the verb.

我们决定通过组合不同班级的学生来组建一个学习小组。

We decided to ___form a study group by combining students from different classes.

孩子们通过手拉手形成一个圆圈。

The children ___form a circle by holding hands.