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The letters were written yesterday.

She was visited by her parents last week.

I was given a present three days ago.

The house was built last year. 

His letters are delivered by postman every week.

He is visited by somebody every day.

Her car is repaired every month.

She is given a present every holiday.

He will be asked about it next week.

The book will be read tomorrow.

The party will be arranged next week.

I will be given a present tomorrow.