My summer holidays started in July. The first, i went to the sea with my family. But the weather wasnt good, that is why we swam not often and I walked along the beach for collecting shells.
Проверьте, пожалуйста, исправьте, что неправильно

My summer holidays started in July. The first, i went to the sea with my family. But the weather wasnt good, that is why we swim not often And I walked a long the beach for collecting shells.