must incurvate
Verbo regular: incurvate - incurvated- incurvated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must incurvate
you must incurvate
he must incurvate
we must incurvate
you must incurvate
they must incurvate 	I must be incurvating
you must be incurvating
he must be incurvating
we must be incurvating
you must be incurvating
they must be incurvating	I must have incurvated
you must have incurvated
he must have incurvated
we must have incurvated
you must have incurvated
they must have incurvated	I must have been incurvating
you must have been incurvating
he must have been incurvating
we must have been incurvating
you must have been incurvating
they must have been incurvating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not incurvate
you must not incurvate
he must not incurvate
we must not incurvate
you must not incurvate
they must not incurvate 	I must not be incurvating
you must not be incurvating
he must not be incurvating
we must not be incurvating
you must not be incurvating
they must not be incurvating	I must not have incurvated
you must not have incurvated
he must not have incurvated
we must not have incurvated
you must not have incurvated
they must not have incurvated	I must not have been incurvating
you must not have been incurvating
he must not have been incurvating
we must not have been incurvating
you must not have been incurvating
they must not have been incurvating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I incurvate?
must you incurvate?
must he incurvate?
must we incurvate?
must you incurvate?
must they incurvate? 	must I be incurvating?
must you be incurvating?
must he be incurvating?
must we be incurvating?
must you be incurvating?
must they be incurvating? 	must I have incurvated?
must you have incurvated?
must he have incurvated?
must we have incurvated?
must you have incurvated?
must they have incurvated? 	must I have been incurvating?
must you have been incurvating?
must he have been incurvating?
must we have been incurvating?
must you have been incurvating?
must they have been incurvating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not incurvate?
must you not incurvate?
must he not incurvate?
must we not incurvate?
must you not incurvate?
must they not incurvate? 	must I not be incurvating?
must you not be incurvating?
must he not be incurvating?
must we not be incurvating?
must you not be incurvating?
must they not be incurvating? 	must I not have incurvated?
must you not have incurvated?
must he not have incurvated?
must we not have incurvated?
must you not have incurvated?
must they not have incurvated? 	must I not have been incurvating?
must you not have been incurvating?
must he not have been incurvating?
must we not have been incurvating?
must you not have been incurvating?
must they not have been incurvating?