I visit Moscow - Present Simple
I am visiting Moscow. - Present Progressive
I will visit Moscow. - Future Simple
I will be visiting - Future Progressive
I will have visited - Future Perfect
I visited Moscow - Past Simple
I was visiting Moscow -Past Progressive
I had visited Moscow - Past Perfect
I have visited Moscow - Present Perfect
I have been visiting Moscow -Present Perfect Progressive
I had been visiting Moscow - Past Perfect Progressive
I will have been visiting Moscow - Future Perfect Progressive
I told him I would visit Moscow - Future in the Past