can swim
Verbo irregular: swim - swam- swum

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	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 com V-ing 	Perfeito 	Perfeito com 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? 	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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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? 	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?