must lampoon
Regular verb: lampoon - lampooned- lampooned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lampoon
you must lampoon
she must lampoon
we must lampoon
you must lampoon
they must lampoon 	I must be lampooning
you must be lampooning
she must be lampooning
we must be lampooning
you must be lampooning
they must be lampooning	I must have lampooned
you must have lampooned
she must have lampooned
we must have lampooned
you must have lampooned
they must have lampooned	I must have been lampooning
you must have been lampooning
she must have been lampooning
we must have been lampooning
you must have been lampooning
they must have been lampooning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not lampoon
you must not lampoon
she must not lampoon
we must not lampoon
you must not lampoon
they must not lampoon 	I must not be lampooning
you must not be lampooning
she must not be lampooning
we must not be lampooning
you must not be lampooning
they must not be lampooning	I must not have lampooned
you must not have lampooned
she must not have lampooned
we must not have lampooned
you must not have lampooned
they must not have lampooned	I must not have been lampooning
you must not have been lampooning
she must not have been lampooning
we must not have been lampooning
you must not have been lampooning
they must not have been lampooning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lampoon?
must you lampoon?
must she lampoon?
must we lampoon?
must you lampoon?
must they lampoon? 	must I be lampooning?
must you be lampooning?
must she be lampooning?
must we be lampooning?
must you be lampooning?
must they be lampooning? 	must I have lampooned?
must you have lampooned?
must she have lampooned?
must we have lampooned?
must you have lampooned?
must they have lampooned? 	must I have been lampooning?
must you have been lampooning?
must she have been lampooning?
must we have been lampooning?
must you have been lampooning?
must they have been lampooning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not lampoon?
must you not lampoon?
must she not lampoon?
must we not lampoon?
must you not lampoon?
must they not lampoon? 	must I not be lampooning?
must you not be lampooning?
must she not be lampooning?
must we not be lampooning?
must you not be lampooning?
must they not be lampooning? 	must I not have lampooned?
must you not have lampooned?
must she not have lampooned?
must we not have lampooned?
must you not have lampooned?
must they not have lampooned? 	must I not have been lampooning?
must you not have been lampooning?
must she not have been lampooning?
must we not have been lampooning?
must you not have been lampooning?
must they not have been lampooning?