must import
Verbo regular: import - imported- imported

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must import
you must import
he must import
we must import
you must import
they must import 	I must be importing
you must be importing
he must be importing
we must be importing
you must be importing
they must be importing	I must have imported
you must have imported
he must have imported
we must have imported
you must have imported
they must have imported	I must have been importing
you must have been importing
he must have been importing
we must have been importing
you must have been importing
they must have been importing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't import
you mustn't import
he mustn't import
we mustn't import
you mustn't import
they mustn't import 	I mustn't be importing
you mustn't be importing
he mustn't be importing
we mustn't be importing
you mustn't be importing
they mustn't be importing	I mustn't have imported
you mustn't have imported
he mustn't have imported
we mustn't have imported
you mustn't have imported
they mustn't have imported	I mustn't have been importing
you mustn't have been importing
he mustn't have been importing
we mustn't have been importing
you mustn't have been importing
they mustn't have been importing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I import?
must you import?
must he import?
must we import?
must you import?
must they import? 	must I be importing?
must you be importing?
must he be importing?
must we be importing?
must you be importing?
must they be importing? 	must I have imported?
must you have imported?
must he have imported?
must we have imported?
must you have imported?
must they have imported? 	must I have been importing?
must you have been importing?
must he have been importing?
must we have been importing?
must you have been importing?
must they have been importing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I import?
mustn't you import?
mustn't he import?
mustn't we import?
mustn't you import?
mustn't they import? 	mustn't I be importing?
mustn't you be importing?
mustn't he be importing?
mustn't we be importing?
mustn't you be importing?
mustn't they be importing? 	mustn't I have imported?
mustn't you have imported?
mustn't he have imported?
mustn't we have imported?
mustn't you have imported?
mustn't they have imported? 	mustn't I have been importing?
mustn't you have been importing?
mustn't he have been importing?
mustn't we have been importing?
mustn't you have been importing?
mustn't they have been importing?