I'd like to buy this book but I don't have money to buy it
If......................................................................................
She's very thin;perhaps that's why she feels cold so much
If she.....................................................................................
I am not tall enough to join the basketball team
If I............................................................................................
I'd like to buy this book but I don't have money to buy it
If I had money, I would buy this book.
She's very thin;perhaps that's why she feels cold so much
If she wasn’t/weren't too thin, she wouldn’t feel cold so much.
I am not tall enough to join the basketball team
If I were/was tall enough, I would join the basketball team.
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