must whelp
Verbo regular: whelp - whelped- whelped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must whelp
you must whelp
he must whelp
we must whelp
you must whelp
they must whelp 	I must be whelping
you must be whelping
he must be whelping
we must be whelping
you must be whelping
they must be whelping	I must have whelped
you must have whelped
he must have whelped
we must have whelped
you must have whelped
they must have whelped	I must have been whelping
you must have been whelping
he must have been whelping
we must have been whelping
you must have been whelping
they must have been whelping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't whelp
you mustn't whelp
he mustn't whelp
we mustn't whelp
you mustn't whelp
they mustn't whelp 	I mustn't be whelping
you mustn't be whelping
he mustn't be whelping
we mustn't be whelping
you mustn't be whelping
they mustn't be whelping	I mustn't have whelped
you mustn't have whelped
he mustn't have whelped
we mustn't have whelped
you mustn't have whelped
they mustn't have whelped	I mustn't have been whelping
you mustn't have been whelping
he mustn't have been whelping
we mustn't have been whelping
you mustn't have been whelping
they mustn't have been whelping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I whelp?
must you whelp?
must he whelp?
must we whelp?
must you whelp?
must they whelp? 	must I be whelping?
must you be whelping?
must he be whelping?
must we be whelping?
must you be whelping?
must they be whelping? 	must I have whelped?
must you have whelped?
must he have whelped?
must we have whelped?
must you have whelped?
must they have whelped? 	must I have been whelping?
must you have been whelping?
must he have been whelping?
must we have been whelping?
must you have been whelping?
must they have been whelping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I whelp?
mustn't you whelp?
mustn't he whelp?
mustn't we whelp?
mustn't you whelp?
mustn't they whelp? 	mustn't I be whelping?
mustn't you be whelping?
mustn't he be whelping?
mustn't we be whelping?
mustn't you be whelping?
mustn't they be whelping? 	mustn't I have whelped?
mustn't you have whelped?
mustn't he have whelped?
mustn't we have whelped?
mustn't you have whelped?
mustn't they have whelped? 	mustn't I have been whelping?
mustn't you have been whelping?
mustn't he have been whelping?
mustn't we have been whelping?
mustn't you have been whelping?
mustn't they have been whelping?