can understand
Verbo irregolare: understand - understood- understood

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can understand
you can understand
she can understand
we can understand
you can understand
they can understand 	I can be understanding
you can be understanding
she can be understanding
we can be understanding
you can be understanding
they can be understanding	I can have understood
you can have understood
she can have understood
we can have understood
you can have understood
they can have understood	I can have been understanding
you can have been understanding
she can have been understanding
we can have been understanding
you can have been understanding
they can have been understanding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't understand
you can't understand
she can't understand
we can't understand
you can't understand
they can't understand 	I can't be understanding
you can't be understanding
she can't be understanding
we can't be understanding
you can't be understanding
they can't be understanding	I can't have understood
you can't have understood
she can't have understood
we can't have understood
you can't have understood
they can't have understood	I can't have been understanding
you can't have been understanding
she can't have been understanding
we can't have been understanding
you can't have been understanding
they can't have been understanding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I understand?
can you understand?
can she understand?
can we understand?
can you understand?
can they understand? 	can I be understanding?
can you be understanding?
can she be understanding?
can we be understanding?
can you be understanding?
can they be understanding? 	can I have understood?
can you have understood?
can she have understood?
can we have understood?
can you have understood?
can they have understood? 	can I have been understanding?
can you have been understanding?
can she have been understanding?
can we have been understanding?
can you have been understanding?
can they have been understanding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I understand?
can't you understand?
can't she understand?
can't we understand?
can't you understand?
can't they understand? 	can't I be understanding?
can't you be understanding?
can't she be understanding?
can't we be understanding?
can't you be understanding?
can't they be understanding? 	can't I have understood?
can't you have understood?
can't she have understood?
can't we have understood?
can't you have understood?
can't they have understood? 	can't I have been understanding?
can't you have been understanding?
can't she have been understanding?
can't we have been understanding?
can't you have been understanding?
can't they have been understanding?