must procreate
Verbo regular: procreate - procreated- procreated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must procreate
you must procreate
she must procreate
we must procreate
you must procreate
they must procreate 	I must be procreating
you must be procreating
she must be procreating
we must be procreating
you must be procreating
they must be procreating	I must have procreated
you must have procreated
she must have procreated
we must have procreated
you must have procreated
they must have procreated	I must have been procreating
you must have been procreating
she must have been procreating
we must have been procreating
you must have been procreating
they must have been procreating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not procreate
you must not procreate
she must not procreate
we must not procreate
you must not procreate
they must not procreate 	I must not be procreating
you must not be procreating
she must not be procreating
we must not be procreating
you must not be procreating
they must not be procreating	I must not have procreated
you must not have procreated
she must not have procreated
we must not have procreated
you must not have procreated
they must not have procreated	I must not have been procreating
you must not have been procreating
she must not have been procreating
we must not have been procreating
you must not have been procreating
they must not have been procreating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I procreate?
must you procreate?
must she procreate?
must we procreate?
must you procreate?
must they procreate? 	must I be procreating?
must you be procreating?
must she be procreating?
must we be procreating?
must you be procreating?
must they be procreating? 	must I have procreated?
must you have procreated?
must she have procreated?
must we have procreated?
must you have procreated?
must they have procreated? 	must I have been procreating?
must you have been procreating?
must she have been procreating?
must we have been procreating?
must you have been procreating?
must they have been procreating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not procreate?
must you not procreate?
must she not procreate?
must we not procreate?
must you not procreate?
must they not procreate? 	must I not be procreating?
must you not be procreating?
must she not be procreating?
must we not be procreating?
must you not be procreating?
must they not be procreating? 	must I not have procreated?
must you not have procreated?
must she not have procreated?
must we not have procreated?
must you not have procreated?
must they not have procreated? 	must I not have been procreating?
must you not have been procreating?
must she not have been procreating?
must we not have been procreating?
must you not have been procreating?
must they not have been procreating?