must straggle
Verbo regular: straggle - straggled- straggled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must straggle
you must straggle
he must straggle
we must straggle
you must straggle
they must straggle 	I must be straggling
you must be straggling
he must be straggling
we must be straggling
you must be straggling
they must be straggling	I must have straggled
you must have straggled
he must have straggled
we must have straggled
you must have straggled
they must have straggled	I must have been straggling
you must have been straggling
he must have been straggling
we must have been straggling
you must have been straggling
they must have been straggling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't straggle
you mustn't straggle
he mustn't straggle
we mustn't straggle
you mustn't straggle
they mustn't straggle 	I mustn't be straggling
you mustn't be straggling
he mustn't be straggling
we mustn't be straggling
you mustn't be straggling
they mustn't be straggling	I mustn't have straggled
you mustn't have straggled
he mustn't have straggled
we mustn't have straggled
you mustn't have straggled
they mustn't have straggled	I mustn't have been straggling
you mustn't have been straggling
he mustn't have been straggling
we mustn't have been straggling
you mustn't have been straggling
they mustn't have been straggling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I straggle?
must you straggle?
must he straggle?
must we straggle?
must you straggle?
must they straggle? 	must I be straggling?
must you be straggling?
must he be straggling?
must we be straggling?
must you be straggling?
must they be straggling? 	must I have straggled?
must you have straggled?
must he have straggled?
must we have straggled?
must you have straggled?
must they have straggled? 	must I have been straggling?
must you have been straggling?
must he have been straggling?
must we have been straggling?
must you have been straggling?
must they have been straggling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I straggle?
mustn't you straggle?
mustn't he straggle?
mustn't we straggle?
mustn't you straggle?
mustn't they straggle? 	mustn't I be straggling?
mustn't you be straggling?
mustn't he be straggling?
mustn't we be straggling?
mustn't you be straggling?
mustn't they be straggling? 	mustn't I have straggled?
mustn't you have straggled?
mustn't he have straggled?
mustn't we have straggled?
mustn't you have straggled?
mustn't they have straggled? 	mustn't I have been straggling?
mustn't you have been straggling?
mustn't he have been straggling?
mustn't we have been straggling?
mustn't you have been straggling?
mustn't they have been straggling?