must pick
Verbo regular: pick - picked- picked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must pick
you must pick
he must pick
we must pick
you must pick
they must pick 	I must be picking
you must be picking
he must be picking
we must be picking
you must be picking
they must be picking	I must have picked
you must have picked
he must have picked
we must have picked
you must have picked
they must have picked	I must have been picking
you must have been picking
he must have been picking
we must have been picking
you must have been picking
they must have been picking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't pick
you mustn't pick
he mustn't pick
we mustn't pick
you mustn't pick
they mustn't pick 	I mustn't be picking
you mustn't be picking
he mustn't be picking
we mustn't be picking
you mustn't be picking
they mustn't be picking	I mustn't have picked
you mustn't have picked
he mustn't have picked
we mustn't have picked
you mustn't have picked
they mustn't have picked	I mustn't have been picking
you mustn't have been picking
he mustn't have been picking
we mustn't have been picking
you mustn't have been picking
they mustn't have been picking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I pick?
must you pick?
must he pick?
must we pick?
must you pick?
must they pick? 	must I be picking?
must you be picking?
must he be picking?
must we be picking?
must you be picking?
must they be picking? 	must I have picked?
must you have picked?
must he have picked?
must we have picked?
must you have picked?
must they have picked? 	must I have been picking?
must you have been picking?
must he have been picking?
must we have been picking?
must you have been picking?
must they have been picking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I pick?
mustn't you pick?
mustn't he pick?
mustn't we pick?
mustn't you pick?
mustn't they pick? 	mustn't I be picking?
mustn't you be picking?
mustn't he be picking?
mustn't we be picking?
mustn't you be picking?
mustn't they be picking? 	mustn't I have picked?
mustn't you have picked?
mustn't he have picked?
mustn't we have picked?
mustn't you have picked?
mustn't they have picked? 	mustn't I have been picking?
mustn't you have been picking?
mustn't he have been picking?
mustn't we have been picking?
mustn't you have been picking?
mustn't they have been picking?