Can your friend speaks Chinese?Yes ,he can哪里错了?怎么改
问题描述：
Can your friend speaks Chinese?Yes ,he can
哪里错了?怎么改
答
can 是情态动词 后接动词原形 speaks 改成speak
答
speaks改成speak,这是一般疑问句，还原的话，speak跟在can后面，不用因为第三人称而加s
答
Do your friend speak chinese?
Yes, he do.
用do 比较好。
答
speak 去掉s
答
speaks错了,前面是can,情态动词,后面的动词用原型,应该是speak.