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 can't answer you can't answer he can't answer we can't answer you can't answer they can't answer	I can't be answering you can't be answering he can't be answering we can't be answering you can't be answering they can't be answering
Perfecto	Perfecto con V-ing
I can't have answered you can't have answered he can't have answered we can't have answered you can't have answered they can't have answered	I can't have been answering you can't have been answering he can't have been answering we can't have been answering you can't have been answering they can't 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't I answer? can't you answer? can't he answer? can't we answer? can't you answer? can't they answer?	can't I be answering? can't you be answering? can't he be answering? can't we be answering? can't you be answering? can't they be answering?
Perfecto	Perfecto con V-ing
can't I have answered? can't you have answered? can't he have answered? can't we have answered? can't you have answered? can't they have answered?	can't I have been answering? can't you have been answering? can't he have been answering? can't we have been answering? can't you have been answering? can't they have been answering?