Talking about future trips

Spanish

How do we say 'I go/I am going' in Spanish?

How do we say 'he/she/it went' in Spanish?

How would we say 'he goes to the mountains'?

How would we say 'I am going to go to Italy'?

How would we say 'you are going to meet up with friends'?

How would we say 'he is going to the beach'?

Is this statement in the past, present or future? 'voy a fiestas'

Is this statement in the past, present or future? 'fue de tapas con mi familia'

Is this statement in the past, present or future? 'voy a visitar un museo'