Snow White C2 Advanced Grammar Challenge

Which sentence demonstrates an advanced conditional with “if need be”?

• If Snow White needed, she would remain hidden from the Queen.
• If need be, Snow White will hide in the dwarfs’ cottage to stay safe.
• If that is needed, Snow White hides away.
• If it was needed being, Snow White would stay with the dwarfs.

Explanation

If need be is an advanced or formal conditional construction meaning “if it is necessary.”