Question

Составьте предложения использую Past Perfect и past simple. Помогите пожалуйста

Answer 1

He went to the seaside last year
He had gone to the seaside by the end of the year
They went sightseeing after we came to the city
We had gone sightseeing when we stayed in London
We was aboard in 2005
He had been aboard before he entered college
He saw deferent historical monument during his.....
I had seen different historical monument before I began .....