Conjugação do verbo inglês
COULD UNDERSTAND

Verbo irregular: understand - understood - understood

Afirmação

Forma simple	Forma com V-ing
I could understand you could understand he could understand we could understand you could understand they could understand	I could be understanding you could be understanding he could be understanding we could be understanding you could be understanding they could be understanding
Perfeito	Perfeito com V-ing
I could have understood you could have understood he could have understood we could have understood you could have understood they could have understood	I could have been understanding you could have been understanding he could have been understanding we could have been understanding you could have been understanding they could have been understanding

Negação

Forma simple	Forma com V-ing
I could not understand you could not understand he could not understand we could not understand you could not understand they could not understand	I could not be understanding you could not be understanding he could not be understanding we could not be understanding you could not be understanding they could not be understanding
Perfeito	Perfeito com V-ing
I could not have understood you could not have understood he could not have understood we could not have understood you could not have understood they could not have understood	I could not have been understanding you could not have been understanding he could not have been understanding we could not have been understanding you could not have been understanding they could not have been understanding

Forma interrogativa

Forma simple	Forma com V-ing
could I understand? could you understand? could he understand? could we understand? could you understand? could they understand?	could I be understanding? could you be understanding? could he be understanding? could we be understanding? could you be understanding? could they be understanding?
Perfeito	Perfeito com V-ing
could I have understood? could you have understood? could he have understood? could we have understood? could you have understood? could they have understood?	could I have been understanding? could you have been understanding? could he have been understanding? could we have been understanding? could you have been understanding? could they have been understanding?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not understand? could you not understand? could he not understand? could we not understand? could you not understand? could they not understand?	could I not be understanding? could you not be understanding? could he not be understanding? could we not be understanding? could you not be understanding? could they not be understanding?
Perfeito	Perfeito com V-ing
could I not have understood? could you not have understood? could he not have understood? could we not have understood? could you not have understood? could they not have understood?	could I not have been understanding? could you not have been understanding? could he not have been understanding? could we not have been understanding? could you not have been understanding? could they not have been understanding?