Преобразуйте данное предложение, используя все настоящие времена и делая необходимые изменения: they take part in exhibitions every year.

They take part in exhibitions every year. - Present Simple
They are taking part in exhibitions constantly. - Present Continuous
They have taken part in exhibitions this year as well. - Present Perfect
They have been taking part in exhibitions every year for 5 years . - Present Perfect Continuous