1.Had we finished the project by Sunday?When had we finished the project?Had we finished the project by Saturday or Sunday?We had finished the project by Sunday,hadn't we?Who had finished the project by Sunday?2.Will they go to Paris next year?When will they go to Paris?Will they go to Paris or to Rome next year?They will go to Paris next year,won't they?Who they go to Paris next year?3.Does she help her mother every day?How often does she help her mother?Does she help her mother or father every day?She helps her mother every day,doesn't she?Who help her mother every day?4.Are children playing in the garden now?Where are children playing now?Are children playing in the garden or in the park now?Children are playing in the garden now,aren't they?Who are children playing in the garden now?5.Didn't my friend write a letter yesterday?When didn't my friend write a letter?Didn't my friend write a letter or an email yesterday?My friend didn't write a letter yesterday,did he?Who didn't write a letter yesterday?