must steave
Regular verb: steave - steaved- steaved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must steave
you must steave
she must steave
we must steave
you must steave
they must steave 	I must be steaving
you must be steaving
she must be steaving
we must be steaving
you must be steaving
they must be steaving	I must have steaved
you must have steaved
she must have steaved
we must have steaved
you must have steaved
they must have steaved	I must have been steaving
you must have been steaving
she must have been steaving
we must have been steaving
you must have been steaving
they must have been steaving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not steave
you must not steave
she must not steave
we must not steave
you must not steave
they must not steave 	I must not be steaving
you must not be steaving
she must not be steaving
we must not be steaving
you must not be steaving
they must not be steaving	I must not have steaved
you must not have steaved
she must not have steaved
we must not have steaved
you must not have steaved
they must not have steaved	I must not have been steaving
you must not have been steaving
she must not have been steaving
we must not have been steaving
you must not have been steaving
they must not have been steaving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I steave?
must you steave?
must she steave?
must we steave?
must you steave?
must they steave? 	must I be steaving?
must you be steaving?
must she be steaving?
must we be steaving?
must you be steaving?
must they be steaving? 	must I have steaved?
must you have steaved?
must she have steaved?
must we have steaved?
must you have steaved?
must they have steaved? 	must I have been steaving?
must you have been steaving?
must she have been steaving?
must we have been steaving?
must you have been steaving?
must they have been steaving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not steave?
must you not steave?
must she not steave?
must we not steave?
must you not steave?
must they not steave? 	must I not be steaving?
must you not be steaving?
must she not be steaving?
must we not be steaving?
must you not be steaving?
must they not be steaving? 	must I not have steaved?
must you not have steaved?
must she not have steaved?
must we not have steaved?
must you not have steaved?
must they not have steaved? 	must I not have been steaving?
must you not have been steaving?
must she not have been steaving?
must we not have been steaving?
must you not have been steaving?
must they not have been steaving?