must clone
Regular verb: clone - cloned- cloned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must clone
you must clone
she must clone
we must clone
you must clone
they must clone 	I must be cloning
you must be cloning
she must be cloning
we must be cloning
you must be cloning
they must be cloning	I must have cloned
you must have cloned
she must have cloned
we must have cloned
you must have cloned
they must have cloned	I must have been cloning
you must have been cloning
she must have been cloning
we must have been cloning
you must have been cloning
they must have been cloning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not clone
you must not clone
she must not clone
we must not clone
you must not clone
they must not clone 	I must not be cloning
you must not be cloning
she must not be cloning
we must not be cloning
you must not be cloning
they must not be cloning	I must not have cloned
you must not have cloned
she must not have cloned
we must not have cloned
you must not have cloned
they must not have cloned	I must not have been cloning
you must not have been cloning
she must not have been cloning
we must not have been cloning
you must not have been cloning
they must not have been cloning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I clone?
must you clone?
must she clone?
must we clone?
must you clone?
must they clone? 	must I be cloning?
must you be cloning?
must she be cloning?
must we be cloning?
must you be cloning?
must they be cloning? 	must I have cloned?
must you have cloned?
must she have cloned?
must we have cloned?
must you have cloned?
must they have cloned? 	must I have been cloning?
must you have been cloning?
must she have been cloning?
must we have been cloning?
must you have been cloning?
must they have been cloning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not clone?
must you not clone?
must she not clone?
must we not clone?
must you not clone?
must they not clone? 	must I not be cloning?
must you not be cloning?
must she not be cloning?
must we not be cloning?
must you not be cloning?
must they not be cloning? 	must I not have cloned?
must you not have cloned?
must she not have cloned?
must we not have cloned?
must you not have cloned?
must they not have cloned? 	must I not have been cloning?
must you not have been cloning?
must she not have been cloning?
must we not have been cloning?
must you not have been cloning?
must they not have been cloning?