may challenge
Verbo regolare: challenge - challenged- challenged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may challenge
you may challenge
he may challenge
we may challenge
you may challenge
they may challenge 	I may be challenging
you may be challenging
he may be challenging
we may be challenging
you may be challenging
they may be challenging	I may have challenged
you may have challenged
he may have challenged
we may have challenged
you may have challenged
they may have challenged	I may have been challenging
you may have been challenging
he may have been challenging
we may have been challenging
you may have been challenging
they may have been challenging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not challenge
you may not challenge
he may not challenge
we may not challenge
you may not challenge
they may not challenge 	I may not be challenging
you may not be challenging
he may not be challenging
we may not be challenging
you may not be challenging
they may not be challenging	I may not have challenged
you may not have challenged
he may not have challenged
we may not have challenged
you may not have challenged
they may not have challenged	I may not have been challenging
you may not have been challenging
he may not have been challenging
we may not have been challenging
you may not have been challenging
they may not have been challenging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I challenge?
may you challenge?
may he challenge?
may we challenge?
may you challenge?
may they challenge? 	may I be challenging?
may you be challenging?
may he be challenging?
may we be challenging?
may you be challenging?
may they be challenging? 	may I have challenged?
may you have challenged?
may he have challenged?
may we have challenged?
may you have challenged?
may they have challenged? 	may I have been challenging?
may you have been challenging?
may he have been challenging?
may we have been challenging?
may you have been challenging?
may they have been challenging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not challenge?
may you not challenge?
may he not challenge?
may we not challenge?
may you not challenge?
may they not challenge? 	may I not be challenging?
may you not be challenging?
may he not be challenging?
may we not be challenging?
may you not be challenging?
may they not be challenging? 	may I not have challenged?
may you not have challenged?
may he not have challenged?
may we not have challenged?
may you not have challenged?
may they not have challenged? 	may I not have been challenging?
may you not have been challenging?
may he not have been challenging?
may we not have been challenging?
may you not have been challenging?
may they not have been challenging?