if I have 和If I had的区别
if I have 和If I had的区别
if i have和if i had的用法
If I had to和If I have to的区别
if I saw you, I had remembered you.和if I saw you, I had have
if I were和if I am的区别
he would have if i had asked
If I had known that,I could have helped you.had和known怎么都是过去式
if i had my
If.I.Had.You
If i had studied
if i had. i would have这是什么语法?
if i had worked hard,i would have succeed