Gao shan often (go) (swim)in Summer.

问题描述:

Gao shan often (go) (swim)in Summer.

Gao Shan often (goes) (swimming)in Summer.

由often可知,此句应为一般现在时,而Gao Shan是第三人称单数,所以谓语动词go用三单形式goes

go swimming去游泳 是固定搭配

Gao Shan often goes swimming in summer.

Gao Shan often (goes) (swimming)in Summer.
Gao Shan是第三人称单数,谓语动词用三单形式
go swimming去游泳

用第三人称
goes swimming