was的用法.were的用法

was的用法.were的用法 was和were的用法 was'were和did的用法 were的用法 was&were怎麼个用法. as it were和as it was的用法区别 was和were的用法最好有句型 关于have、has、was、were的用法还有补充关于had的用法 was 和were的用法?you后面是用was还是were? was的were用法?“If I were a boy”是病句吗?不用was? 求was的用法 was的用法是什么? were和are的用法? were 和 wes的用法为什么在When were you born?用were而不用was为什么when was your brother born?用was而不用were was、were与did用法的区别was/were/did在句子中使用是有什么区别? was、were的用法和与is、am、are的区别 was 和were的用法我问的太空白了点.貌似 过去进行时 was和were的用法有什么不同