can rosin
Verbo regular: rosin - rosined- rosined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can rosin
you can rosin
he can rosin
we can rosin
you can rosin
they can rosin 	I can be rosining
you can be rosining
he can be rosining
we can be rosining
you can be rosining
they can be rosining	I can have rosined
you can have rosined
he can have rosined
we can have rosined
you can have rosined
they can have rosined	I can have been rosining
you can have been rosining
he can have been rosining
we can have been rosining
you can have been rosining
they can have been rosining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't rosin
you can't rosin
he can't rosin
we can't rosin
you can't rosin
they can't rosin 	I can't be rosining
you can't be rosining
he can't be rosining
we can't be rosining
you can't be rosining
they can't be rosining	I can't have rosined
you can't have rosined
he can't have rosined
we can't have rosined
you can't have rosined
they can't have rosined	I can't have been rosining
you can't have been rosining
he can't have been rosining
we can't have been rosining
you can't have been rosining
they can't have been rosining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I rosin?
can you rosin?
can he rosin?
can we rosin?
can you rosin?
can they rosin? 	can I be rosining?
can you be rosining?
can he be rosining?
can we be rosining?
can you be rosining?
can they be rosining? 	can I have rosined?
can you have rosined?
can he have rosined?
can we have rosined?
can you have rosined?
can they have rosined? 	can I have been rosining?
can you have been rosining?
can he have been rosining?
can we have been rosining?
can you have been rosining?
can they have been rosining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I rosin?
can't you rosin?
can't he rosin?
can't we rosin?
can't you rosin?
can't they rosin? 	can't I be rosining?
can't you be rosining?
can't he be rosining?
can't we be rosining?
can't you be rosining?
can't they be rosining? 	can't I have rosined?
can't you have rosined?
can't he have rosined?
can't we have rosined?
can't you have rosined?
can't they have rosined? 	can't I have been rosining?
can't you have been rosining?
can't he have been rosining?
can't we have been rosining?
can't you have been rosining?
can't they have been rosining?