把所给单词改成第三人称单数和现在进行时:teach;work;swim;write;do;help;watch;draw;go.

问题描述:

把所给单词改成第三人称单数和现在进行时:teach;work;swim;write;do;help;watch;draw;go.

teaches teaching
works working
swims swimming
writes writing
does doing
helps helping
watches watching
draws drawing
goes going