must weekend
Verbo regular: weekend - weekended- weekended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must weekend
you must weekend
he must weekend
we must weekend
you must weekend
they must weekend 	I must be weekending
you must be weekending
he must be weekending
we must be weekending
you must be weekending
they must be weekending	I must have weekended
you must have weekended
he must have weekended
we must have weekended
you must have weekended
they must have weekended	I must have been weekending
you must have been weekending
he must have been weekending
we must have been weekending
you must have been weekending
they must have been weekending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not weekend
you must not weekend
he must not weekend
we must not weekend
you must not weekend
they must not weekend 	I must not be weekending
you must not be weekending
he must not be weekending
we must not be weekending
you must not be weekending
they must not be weekending	I must not have weekended
you must not have weekended
he must not have weekended
we must not have weekended
you must not have weekended
they must not have weekended	I must not have been weekending
you must not have been weekending
he must not have been weekending
we must not have been weekending
you must not have been weekending
they must not have been weekending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I weekend?
must you weekend?
must he weekend?
must we weekend?
must you weekend?
must they weekend? 	must I be weekending?
must you be weekending?
must he be weekending?
must we be weekending?
must you be weekending?
must they be weekending? 	must I have weekended?
must you have weekended?
must he have weekended?
must we have weekended?
must you have weekended?
must they have weekended? 	must I have been weekending?
must you have been weekending?
must he have been weekending?
must we have been weekending?
must you have been weekending?
must they have been weekending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not weekend?
must you not weekend?
must he not weekend?
must we not weekend?
must you not weekend?
must they not weekend? 	must I not be weekending?
must you not be weekending?
must he not be weekending?
must we not be weekending?
must you not be weekending?
must they not be weekending? 	must I not have weekended?
must you not have weekended?
must he not have weekended?
must we not have weekended?
must you not have weekended?
must they not have weekended? 	must I not have been weekending?
must you not have been weekending?
must he not have been weekending?
must we not have been weekending?
must you not have been weekending?
must they not have been weekending?