Нужно поставить в вопросительную форму.
Sally had vacuumed the carpets before my arrival.

1) He has got a beard. - Has he got a beard. - He hasnt got a beard. 
2) We had only an egg and a cup of tea for breakfast. - Did we have only an egg and a cup of tea for breakfast? - We didnt have an egg and a cup of tea for breakfast. 
3) It will cost three pounds. - Will it cost three pounds? - It wont cost three pounds.

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