Conjugación del verbo inglés
COULD PRESENT

Verbo regular: present - presented - presented

Afirmación

Forma simple	Forma con V-ing
I could present you could present she could present we could present you could present they could present	I could be presenting you could be presenting she could be presenting we could be presenting you could be presenting they could be presenting
Perfecto	Perfecto con V-ing
I could have presented you could have presented she could have presented we could have presented you could have presented they could have presented	I could have been presenting you could have been presenting she could have been presenting we could have been presenting you could have been presenting they could have been presenting

Negación

Forma simple	Forma con V-ing
I could not present you could not present she could not present we could not present you could not present they could not present	I could not be presenting you could not be presenting she could not be presenting we could not be presenting you could not be presenting they could not be presenting
Perfecto	Perfecto con V-ing
I could not have presented you could not have presented she could not have presented we could not have presented you could not have presented they could not have presented	I could not have been presenting you could not have been presenting she could not have been presenting we could not have been presenting you could not have been presenting they could not have been presenting

Forma interrogativa

Forma simple	Forma con V-ing
could I present? could you present? could she present? could we present? could you present? could they present?	could I be presenting? could you be presenting? could she be presenting? could we be presenting? could you be presenting? could they be presenting?
Perfecto	Perfecto con V-ing
could I have presented? could you have presented? could she have presented? could we have presented? could you have presented? could they have presented?	could I have been presenting? could you have been presenting? could she have been presenting? could we have been presenting? could you have been presenting? could they have been presenting?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not present? could you not present? could she not present? could we not present? could you not present? could they not present?	could I not be presenting? could you not be presenting? could she not be presenting? could we not be presenting? could you not be presenting? could they not be presenting?
Perfecto	Perfecto con V-ing
could I not have presented? could you not have presented? could she not have presented? could we not have presented? could you not have presented? could they not have presented?	could I not have been presenting? could you not have been presenting? could she not have been presenting? could we not have been presenting? could you not have been presenting? could they not have been presenting?