can rosin
Regular verb: rosin - rosined- rosined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot rosin
you cannot rosin
he cannot rosin
we cannot rosin
you cannot rosin
they cannot rosin 	I cannot be rosining
you cannot be rosining
he cannot be rosining
we cannot be rosining
you cannot be rosining
they cannot be rosining	I cannot have rosined
you cannot have rosined
he cannot have rosined
we cannot have rosined
you cannot have rosined
they cannot have rosined	I cannot have been rosining
you cannot have been rosining
he cannot have been rosining
we cannot have been rosining
you cannot have been rosining
they cannot have been rosining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not rosin?
can you not rosin?
can he not rosin?
can we not rosin?
can you not rosin?
can they not rosin? 	can I not be rosining?
can you not be rosining?
can he not be rosining?
can we not be rosining?
can you not be rosining?
can they not be rosining? 	can I not have rosined?
can you not have rosined?
can he not have rosined?
can we not have rosined?
can you not have rosined?
can they not have rosined? 	can I not have been rosining?
can you not have been rosining?
can he not have been rosining?
can we not have been rosining?
can you not have been rosining?
can they not have been rosining?