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He will come to me tomorrow

She is writing a letter to her friend now

We bought a good book last week

1 He will come to me tomorrow
Will he  come to me tomorrow?
When will he  come to me?
Will he  come to me tomorrow or on Sunday?
He will come to me tomorrow. won't he?
2 She is writing a letter to her friend now 
Is she writing a letter to her friend now ?
Is she writing a letter to her or his friend now ?
What is she doing now ?
She is writing a letter to her friend now , isn't she?
3 We bought a good book last week
Did we buy a good book last week?
Did we buy a good or bad book last week?
What did we buy  last week?
We bought a good book last week, didn't we?