The sum of three and one.
Consisting of one more than three.
It was four years since she had read so much. – Comrade Yetta by Albert Edwards
It is almost four years since I was here last, is it not? – The Light of Scarthey by Egerton Castle
These four years had made a great change in Miss Khayme. – Who Goes There? by Blackwood Ketcham Benson