must orbit
Verbo regolare: orbit - orbited- orbited

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must orbit
you must orbit
she must orbit
we must orbit
you must orbit
they must orbit 	I must be orbiting
you must be orbiting
she must be orbiting
we must be orbiting
you must be orbiting
they must be orbiting	I must have orbited
you must have orbited
she must have orbited
we must have orbited
you must have orbited
they must have orbited	I must have been orbiting
you must have been orbiting
she must have been orbiting
we must have been orbiting
you must have been orbiting
they must have been orbiting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not orbit
you must not orbit
she must not orbit
we must not orbit
you must not orbit
they must not orbit 	I must not be orbiting
you must not be orbiting
she must not be orbiting
we must not be orbiting
you must not be orbiting
they must not be orbiting	I must not have orbited
you must not have orbited
she must not have orbited
we must not have orbited
you must not have orbited
they must not have orbited	I must not have been orbiting
you must not have been orbiting
she must not have been orbiting
we must not have been orbiting
you must not have been orbiting
they must not have been orbiting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I orbit?
must you orbit?
must she orbit?
must we orbit?
must you orbit?
must they orbit? 	must I be orbiting?
must you be orbiting?
must she be orbiting?
must we be orbiting?
must you be orbiting?
must they be orbiting? 	must I have orbited?
must you have orbited?
must she have orbited?
must we have orbited?
must you have orbited?
must they have orbited? 	must I have been orbiting?
must you have been orbiting?
must she have been orbiting?
must we have been orbiting?
must you have been orbiting?
must they have been orbiting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not orbit?
must you not orbit?
must she not orbit?
must we not orbit?
must you not orbit?
must they not orbit? 	must I not be orbiting?
must you not be orbiting?
must she not be orbiting?
must we not be orbiting?
must you not be orbiting?
must they not be orbiting? 	must I not have orbited?
must you not have orbited?
must she not have orbited?
must we not have orbited?
must you not have orbited?
must they not have orbited? 	must I not have been orbiting?
must you not have been orbiting?
must she not have been orbiting?
must we not have been orbiting?
must you not have been orbiting?
must they not have been orbiting?