Поставте глаголы в нужное грамматическое время. he just (to sing) all necessary papers. it often (to rain) cats and dogs in late autumn. the train (to arrive) in five minutes. the agreement (to sing) last year. when the telephone rang he (to translate) the article.

He has just signed all necessary papers.
It often rains cats and dogs in late autumn.
The train arrives/is arriving in five minutes. - оба варианта подойдут
The agreement was signed last year.
When the telephone rang he was translating the article.