Question

3. Underline subject and predicate.
You must be out of your mind.
4. She was moving out of his sight. (Add question tag.)
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Answer 1

Answer:

I can't underline

Explanation:

3 subject is you

And predicate is out of your mind

4 subject is she

And predicate is moving out of his sight.

Answer 2

Answer:

3.) You (subject) must be out of your mind. (predicate)

4.) She was moving out of his sight, wasn't she ?