when were you born?为什么用born（过去分词）而不用bore（过去式） 为什么用were提问对动词提问应该用助动词呀

When were you born? when were you born=when is ( ) ( when were you born?请翻译! when were you born?同义句 when were you born等于什么 when were you born?改为同义句 连词组句：were,you,when,born. When were you born?I was born in March,1990. I was not when you were born,You were old when I was born.什么意思? When were you born?为什么不是when were your born应该是你的生日啊? when and where( )you born?A was;B were.为什么? when were you born我要怎么回答 when were you born 能否只回答月日 When were you born?的同义句,四个空 When were you born?用英语怎么回答? When were you born on?有什么语法错误吗? when were you born?-----l was born the morning july 1st when were you born?i was born on July 3还是July 3rd?RT