must sting
Verbo irregolare: sting - stung- stung

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must sting
you must sting
he must sting
we must sting
you must sting
they must sting 	I must be stinging
you must be stinging
he must be stinging
we must be stinging
you must be stinging
they must be stinging	I must have stung
you must have stung
he must have stung
we must have stung
you must have stung
they must have stung	I must have been stinging
you must have been stinging
he must have been stinging
we must have been stinging
you must have been stinging
they must have been stinging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't sting
you mustn't sting
he mustn't sting
we mustn't sting
you mustn't sting
they mustn't sting 	I mustn't be stinging
you mustn't be stinging
he mustn't be stinging
we mustn't be stinging
you mustn't be stinging
they mustn't be stinging	I mustn't have stung
you mustn't have stung
he mustn't have stung
we mustn't have stung
you mustn't have stung
they mustn't have stung	I mustn't have been stinging
you mustn't have been stinging
he mustn't have been stinging
we mustn't have been stinging
you mustn't have been stinging
they mustn't have been stinging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I sting?
must you sting?
must he sting?
must we sting?
must you sting?
must they sting? 	must I be stinging?
must you be stinging?
must he be stinging?
must we be stinging?
must you be stinging?
must they be stinging? 	must I have stung?
must you have stung?
must he have stung?
must we have stung?
must you have stung?
must they have stung? 	must I have been stinging?
must you have been stinging?
must he have been stinging?
must we have been stinging?
must you have been stinging?
must they have been stinging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I sting?
mustn't you sting?
mustn't he sting?
mustn't we sting?
mustn't you sting?
mustn't they sting? 	mustn't I be stinging?
mustn't you be stinging?
mustn't he be stinging?
mustn't we be stinging?
mustn't you be stinging?
mustn't they be stinging? 	mustn't I have stung?
mustn't you have stung?
mustn't he have stung?
mustn't we have stung?
mustn't you have stung?
mustn't they have stung? 	mustn't I have been stinging?
mustn't you have been stinging?
mustn't he have been stinging?
mustn't we have been stinging?
mustn't you have been stinging?
mustn't they have been stinging?