must scutter
Regular verb: scutter - scuttered- scuttered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must scutter
you must scutter
she must scutter
we must scutter
you must scutter
they must scutter 	I must be scuttering
you must be scuttering
she must be scuttering
we must be scuttering
you must be scuttering
they must be scuttering	I must have scuttered
you must have scuttered
she must have scuttered
we must have scuttered
you must have scuttered
they must have scuttered	I must have been scuttering
you must have been scuttering
she must have been scuttering
we must have been scuttering
you must have been scuttering
they must have been scuttering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not scutter
you must not scutter
she must not scutter
we must not scutter
you must not scutter
they must not scutter 	I must not be scuttering
you must not be scuttering
she must not be scuttering
we must not be scuttering
you must not be scuttering
they must not be scuttering	I must not have scuttered
you must not have scuttered
she must not have scuttered
we must not have scuttered
you must not have scuttered
they must not have scuttered	I must not have been scuttering
you must not have been scuttering
she must not have been scuttering
we must not have been scuttering
you must not have been scuttering
they must not have been scuttering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I scutter?
must you scutter?
must she scutter?
must we scutter?
must you scutter?
must they scutter? 	must I be scuttering?
must you be scuttering?
must she be scuttering?
must we be scuttering?
must you be scuttering?
must they be scuttering? 	must I have scuttered?
must you have scuttered?
must she have scuttered?
must we have scuttered?
must you have scuttered?
must they have scuttered? 	must I have been scuttering?
must you have been scuttering?
must she have been scuttering?
must we have been scuttering?
must you have been scuttering?
must they have been scuttering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not scutter?
must you not scutter?
must she not scutter?
must we not scutter?
must you not scutter?
must they not scutter? 	must I not be scuttering?
must you not be scuttering?
must she not be scuttering?
must we not be scuttering?
must you not be scuttering?
must they not be scuttering? 	must I not have scuttered?
must you not have scuttered?
must she not have scuttered?
must we not have scuttered?
must you not have scuttered?
must they not have scuttered? 	must I not have been scuttering?
must you not have been scuttering?
must she not have been scuttering?
must we not have been scuttering?
must you not have been scuttering?
must they not have been scuttering?