Conjugación del verbo inglés
CAN SWIM

Verbo irregular: swim - swam - swum

Afirmación

Forma simple	Forma con V-ing
I can swim you can swim he can swim we can swim you can swim they can swim	I can be swimming you can be swimming he can be swimming we can be swimming you can be swimming they can be swimming
Perfecto	Perfecto con V-ing
I can have swum you can have swum he can have swum we can have swum you can have swum they can have swum	I can have been swimming you can have been swimming he can have been swimming we can have been swimming you can have been swimming they can have been swimming

Negación

Forma simple	Forma con V-ing
I cannot swim you cannot swim he cannot swim we cannot swim you cannot swim they cannot swim	I cannot be swimming you cannot be swimming he cannot be swimming we cannot be swimming you cannot be swimming they cannot be swimming
Perfecto	Perfecto con V-ing
I cannot have swum you cannot have swum he cannot have swum we cannot have swum you cannot have swum they cannot have swum	I cannot have been swimming you cannot have been swimming he cannot have been swimming we cannot have been swimming you cannot have been swimming they cannot have been swimming

Forma interrogativa

Forma simple	Forma con V-ing
can I swim? can you swim? can he swim? can we swim? can you swim? can they swim?	can I be swimming? can you be swimming? can he be swimming? can we be swimming? can you be swimming? can they be swimming?
Perfecto	Perfecto con V-ing
can I have swum? can you have swum? can he have swum? can we have swum? can you have swum? can they have swum?	can I have been swimming? can you have been swimming? can he have been swimming? can we have been swimming? can you have been swimming? can they have been swimming?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not swim? can you not swim? can he not swim? can we not swim? can you not swim? can they not swim?	can I not be swimming? can you not be swimming? can he not be swimming? can we not be swimming? can you not be swimming? can they not be swimming?
Perfecto	Perfecto con V-ing
can I not have swum? can you not have swum? can he not have swum? can we not have swum? can you not have swum? can they not have swum?	can I not have been swimming? can you not have been swimming? can he not have been swimming? can we not have been swimming? can you not have been swimming? can they not have been swimming?