must pond
Verbo regular: pond - ponded- ponded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must pond
you must pond
he must pond
we must pond
you must pond
they must pond 	I must be ponding
you must be ponding
he must be ponding
we must be ponding
you must be ponding
they must be ponding	I must have ponded
you must have ponded
he must have ponded
we must have ponded
you must have ponded
they must have ponded	I must have been ponding
you must have been ponding
he must have been ponding
we must have been ponding
you must have been ponding
they must have been ponding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not pond
you must not pond
he must not pond
we must not pond
you must not pond
they must not pond 	I must not be ponding
you must not be ponding
he must not be ponding
we must not be ponding
you must not be ponding
they must not be ponding	I must not have ponded
you must not have ponded
he must not have ponded
we must not have ponded
you must not have ponded
they must not have ponded	I must not have been ponding
you must not have been ponding
he must not have been ponding
we must not have been ponding
you must not have been ponding
they must not have been ponding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I pond?
must you pond?
must he pond?
must we pond?
must you pond?
must they pond? 	must I be ponding?
must you be ponding?
must he be ponding?
must we be ponding?
must you be ponding?
must they be ponding? 	must I have ponded?
must you have ponded?
must he have ponded?
must we have ponded?
must you have ponded?
must they have ponded? 	must I have been ponding?
must you have been ponding?
must he have been ponding?
must we have been ponding?
must you have been ponding?
must they have been ponding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not pond?
must you not pond?
must he not pond?
must we not pond?
must you not pond?
must they not pond? 	must I not be ponding?
must you not be ponding?
must he not be ponding?
must we not be ponding?
must you not be ponding?
must they not be ponding? 	must I not have ponded?
must you not have ponded?
must he not have ponded?
must we not have ponded?
must you not have ponded?
must they not have ponded? 	must I not have been ponding?
must you not have been ponding?
must he not have been ponding?
must we not have been ponding?
must you not have been ponding?
must they not have been ponding?