after school david with his friends often goes swimming中为什么用goes

问题描述:

after school david with his friends often goes swimming中为什么用goes
为什么用goes,不用go

此句是一般现在时
第三人称单数一般现在时用goesdavid with his friends ��ô�ǵ����˳Ƶ�������david��with his friends������david�ģ�����Ϊ�����˳Ƶ�������david���������ν�ﶯ��������ʽ������û�?��ֻ����һ������ʱ