Ask questions.
1. Tony has to work fifty hours a week in those days.

Tony has to work fifty hours a week in those days, doesn't he?

Who has to work fifty hours a week in those days?

Does Tony have to work fifty hours a week in those days?

Does Tony have to work forty or fifty hours a week in those days?

How many hours a week does Tony have to work in those days?

When does Tony have to work fifty hours a week?

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