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 can't swim you can't swim he can't swim we can't swim you can't swim they can't swim	I can't be swimming you can't be swimming he can't be swimming we can't be swimming you can't be swimming they can't be swimming
Perfecto	Perfecto con V-ing
I can't have swum you can't have swum he can't have swum we can't have swum you can't have swum they can't have swum	I can't have been swimming you can't have been swimming he can't have been swimming we can't have been swimming you can't have been swimming they can't 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't I swim? can't you swim? can't he swim? can't we swim? can't you swim? can't they swim?	can't I be swimming? can't you be swimming? can't he be swimming? can't we be swimming? can't you be swimming? can't they be swimming?
Perfecto	Perfecto con V-ing
can't I have swum? can't you have swum? can't he have swum? can't we have swum? can't you have swum? can't they have swum?	can't I have been swimming? can't you have been swimming? can't he have been swimming? can't we have been swimming? can't you have been swimming? can't they have been swimming?