can dirty
Regular verb: dirty - dirtied- dirtied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can dirty
you can dirty
she can dirty
we can dirty
you can dirty
they can dirty 	I can be dirtying
you can be dirtying
she can be dirtying
we can be dirtying
you can be dirtying
they can be dirtying	I can have dirtied
you can have dirtied
she can have dirtied
we can have dirtied
you can have dirtied
they can have dirtied	I can have been dirtying
you can have been dirtying
she can have been dirtying
we can have been dirtying
you can have been dirtying
they can have been dirtying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot dirty
you cannot dirty
she cannot dirty
we cannot dirty
you cannot dirty
they cannot dirty 	I cannot be dirtying
you cannot be dirtying
she cannot be dirtying
we cannot be dirtying
you cannot be dirtying
they cannot be dirtying	I cannot have dirtied
you cannot have dirtied
she cannot have dirtied
we cannot have dirtied
you cannot have dirtied
they cannot have dirtied	I cannot have been dirtying
you cannot have been dirtying
she cannot have been dirtying
we cannot have been dirtying
you cannot have been dirtying
they cannot have been dirtying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I dirty?
can you dirty?
can she dirty?
can we dirty?
can you dirty?
can they dirty? 	can I be dirtying?
can you be dirtying?
can she be dirtying?
can we be dirtying?
can you be dirtying?
can they be dirtying? 	can I have dirtied?
can you have dirtied?
can she have dirtied?
can we have dirtied?
can you have dirtied?
can they have dirtied? 	can I have been dirtying?
can you have been dirtying?
can she have been dirtying?
can we have been dirtying?
can you have been dirtying?
can they have been dirtying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not dirty?
can you not dirty?
can she not dirty?
can we not dirty?
can you not dirty?
can they not dirty? 	can I not be dirtying?
can you not be dirtying?
can she not be dirtying?
can we not be dirtying?
can you not be dirtying?
can they not be dirtying? 	can I not have dirtied?
can you not have dirtied?
can she not have dirtied?
can we not have dirtied?
can you not have dirtied?
can they not have dirtied? 	can I not have been dirtying?
can you not have been dirtying?
can she not have been dirtying?
can we not have been dirtying?
can you not have been dirtying?
can they not have been dirtying?