your friend 算第三人称吗?their father算复数吗?have got什么时候用?

your friend 算第三人称吗?their father算复数吗?have got什么时候用? they,your friend,my sister,my sister and brother,we,your是不是第三人称? 咨询个问题,Where （ ） your friend live?是选does还是do?your friend 是第二人称还是第三人称? please t----- about your good friend Does your friend go to work by bus?为什么用第三人称单数 your brother是第三人称单数吗? My friend 是第三人称吗?是不是第三人称后面都要加s呢? I only want to be your friend.But I just can't be your friend. your的第三人称 your怎样改成第三人称 Your friend doesn't seem to like to say some “I don't want only be your friend” 填入适当的介词Don't worry __ your friend Don,t talk to your friend helen.改为肯定句 英语翻译!I don't deserve to be your friend. didn‘t your friend stay at home yesterday 怎么回答 I just can't be your friend什么意思 我忘了英语第三人称怎么使用了...They,my parent,my friend都可以用第三人称吗?可以介绍一下第三人称的用法吗?