must vegetate
Verbo regular: vegetate - vegetated- vegetated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must vegetate
you must vegetate
he must vegetate
we must vegetate
you must vegetate
they must vegetate 	I must be vegetating
you must be vegetating
he must be vegetating
we must be vegetating
you must be vegetating
they must be vegetating	I must have vegetated
you must have vegetated
he must have vegetated
we must have vegetated
you must have vegetated
they must have vegetated	I must have been vegetating
you must have been vegetating
he must have been vegetating
we must have been vegetating
you must have been vegetating
they must have been vegetating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not vegetate
you must not vegetate
he must not vegetate
we must not vegetate
you must not vegetate
they must not vegetate 	I must not be vegetating
you must not be vegetating
he must not be vegetating
we must not be vegetating
you must not be vegetating
they must not be vegetating	I must not have vegetated
you must not have vegetated
he must not have vegetated
we must not have vegetated
you must not have vegetated
they must not have vegetated	I must not have been vegetating
you must not have been vegetating
he must not have been vegetating
we must not have been vegetating
you must not have been vegetating
they must not have been vegetating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I vegetate?
must you vegetate?
must he vegetate?
must we vegetate?
must you vegetate?
must they vegetate? 	must I be vegetating?
must you be vegetating?
must he be vegetating?
must we be vegetating?
must you be vegetating?
must they be vegetating? 	must I have vegetated?
must you have vegetated?
must he have vegetated?
must we have vegetated?
must you have vegetated?
must they have vegetated? 	must I have been vegetating?
must you have been vegetating?
must he have been vegetating?
must we have been vegetating?
must you have been vegetating?
must they have been vegetating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not vegetate?
must you not vegetate?
must he not vegetate?
must we not vegetate?
must you not vegetate?
must they not vegetate? 	must I not be vegetating?
must you not be vegetating?
must he not be vegetating?
must we not be vegetating?
must you not be vegetating?
must they not be vegetating? 	must I not have vegetated?
must you not have vegetated?
must he not have vegetated?
must we not have vegetated?
must you not have vegetated?
must they not have vegetated? 	must I not have been vegetating?
must you not have been vegetating?
must he not have been vegetating?
must we not have been vegetating?
must you not have been vegetating?
must they not have been vegetating?