Verbo irregular: understand - understood - understood
Afirmación
Forma simple
I can understand you can understand she can understand we can understand you can understand they can understand
Forma con V-ing
I can be understanding you can be understanding she can be understanding we can be understanding you can be understanding they can be understanding
Perfecto
I can have understood you can have understood she can have understood we can have understood you can have understood they can have understood
Perfecto con V-ing
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
Negación
Forma simple
I can't understand you can't understand she can't understand we can't understand you can't understand they can't understand
Forma con V-ing
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
Perfecto
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
Perfecto con V-ing
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 simple
can I understand? can you understand? can she understand? can we understand? can you understand? can they understand?
Forma con V-ing
can I be understanding? can you be understanding? can she be understanding? can we be understanding? can you be understanding? can they be understanding?
Perfecto
can I have understood? can you have understood? can she have understood? can we have understood? can you have understood? can they have understood?
Perfecto con V-ing
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 simple
can't I understand? can't you understand? can't she understand? can't we understand? can't you understand? can't they understand?
Forma con V-ing
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?
Perfecto
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?
Perfecto con V-ing
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?