Conjugación del verbo inglés
CAN DRAIN

Verbo regular: drain - drained - drained

Afirmación

Forma simple	Forma con V-ing
I can drain you can drain she can drain we can drain you can drain they can drain	I can be draining you can be draining she can be draining we can be draining you can be draining they can be draining
Perfecto	Perfecto con V-ing
I can have drained you can have drained she can have drained we can have drained you can have drained they can have drained	I can have been draining you can have been draining she can have been draining we can have been draining you can have been draining they can have been draining

Negación

Forma simple	Forma con V-ing
I cannot drain you cannot drain she cannot drain we cannot drain you cannot drain they cannot drain	I cannot be draining you cannot be draining she cannot be draining we cannot be draining you cannot be draining they cannot be draining
Perfecto	Perfecto con V-ing
I cannot have drained you cannot have drained she cannot have drained we cannot have drained you cannot have drained they cannot have drained	I cannot have been draining you cannot have been draining she cannot have been draining we cannot have been draining you cannot have been draining they cannot have been draining

Forma interrogativa

Forma simple	Forma con V-ing
can I drain? can you drain? can she drain? can we drain? can you drain? can they drain?	can I be draining? can you be draining? can she be draining? can we be draining? can you be draining? can they be draining?
Perfecto	Perfecto con V-ing
can I have drained? can you have drained? can she have drained? can we have drained? can you have drained? can they have drained?	can I have been draining? can you have been draining? can she have been draining? can we have been draining? can you have been draining? can they have been draining?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not drain? can you not drain? can she not drain? can we not drain? can you not drain? can they not drain?	can I not be draining? can you not be draining? can she not be draining? can we not be draining? can you not be draining? can they not be draining?
Perfecto	Perfecto con V-ing
can I not have drained? can you not have drained? can she not have drained? can we not have drained? can you not have drained? can they not have drained?	can I not have been draining? can you not have been draining? can she not have been draining? can we not have been draining? can you not have been draining? can they not have been draining?