Answer:

1.Each tense indicates the connection between two or more time periods or the exact time an activity occurred, which underlines the importance of English grammar tenses. They can be used to create different meanings from the same verbs and help to anchor the listener understand the meaning behind your story.

2. Television, radio, movie are important. They are sources of information or communication and media plays a very significant role in everyone's life. In today's modern society, media has become a very big parts of our life. Its duty is to inform, educate and entertain. TV like a bridge between the governing bodies and general public.