Conjugación del verbo inglés
CAN ANSWER

Verbo regular: answer - answered - answered

Afirmación

Forma simple	Forma con V-ing
I can answer you can answer he can answer we can answer you can answer they can answer	I can be answering you can be answering he can be answering we can be answering you can be answering they can be answering
Perfecto	Perfecto con V-ing
I can have answered you can have answered he can have answered we can have answered you can have answered they can have answered	I can have been answering you can have been answering he can have been answering we can have been answering you can have been answering they can have been answering

Negación

Forma simple	Forma con V-ing
I cannot answer you cannot answer he cannot answer we cannot answer you cannot answer they cannot answer	I cannot be answering you cannot be answering he cannot be answering we cannot be answering you cannot be answering they cannot be answering
Perfecto	Perfecto con V-ing
I cannot have answered you cannot have answered he cannot have answered we cannot have answered you cannot have answered they cannot have answered	I cannot have been answering you cannot have been answering he cannot have been answering we cannot have been answering you cannot have been answering they cannot have been answering

Forma interrogativa

Forma simple	Forma con V-ing
can I answer? can you answer? can he answer? can we answer? can you answer? can they answer?	can I be answering? can you be answering? can he be answering? can we be answering? can you be answering? can they be answering?
Perfecto	Perfecto con V-ing
can I have answered? can you have answered? can he have answered? can we have answered? can you have answered? can they have answered?	can I have been answering? can you have been answering? can he have been answering? can we have been answering? can you have been answering? can they have been answering?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not answer? can you not answer? can he not answer? can we not answer? can you not answer? can they not answer?	can I not be answering? can you not be answering? can he not be answering? can we not be answering? can you not be answering? can they not be answering?
Perfecto	Perfecto con V-ing
can I not have answered? can you not have answered? can he not have answered? can we not have answered? can you not have answered? can they not have answered?	can I not have been answering? can you not have been answering? can he not have been answering? can we not have been answering? can you not have been answering? can they not have been answering?