Fix grammaticality of the sentence: If you go with your friends you will have a lot of fun and you would do a lot through activities throughout them, such upon playing volley against the beach, gone shopping, playing at the seas and other good things, but the last words is yours.
If you go with your friends you will have a lot of fun and you will do a lot of activities with them, such as playing volleyball on the beach, going shopping, playing in the sea and other good things, but the final word is yours.