can curse
Regular verb: curse - cursed- cursed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can curse
you can curse
she can curse
we can curse
you can curse
they can curse 	I can be cursing
you can be cursing
she can be cursing
we can be cursing
you can be cursing
they can be cursing	I can have cursed
you can have cursed
she can have cursed
we can have cursed
you can have cursed
they can have cursed	I can have been cursing
you can have been cursing
she can have been cursing
we can have been cursing
you can have been cursing
they can have been cursing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot curse
you cannot curse
she cannot curse
we cannot curse
you cannot curse
they cannot curse 	I cannot be cursing
you cannot be cursing
she cannot be cursing
we cannot be cursing
you cannot be cursing
they cannot be cursing	I cannot have cursed
you cannot have cursed
she cannot have cursed
we cannot have cursed
you cannot have cursed
they cannot have cursed	I cannot have been cursing
you cannot have been cursing
she cannot have been cursing
we cannot have been cursing
you cannot have been cursing
they cannot have been cursing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I curse?
can you curse?
can she curse?
can we curse?
can you curse?
can they curse? 	can I be cursing?
can you be cursing?
can she be cursing?
can we be cursing?
can you be cursing?
can they be cursing? 	can I have cursed?
can you have cursed?
can she have cursed?
can we have cursed?
can you have cursed?
can they have cursed? 	can I have been cursing?
can you have been cursing?
can she have been cursing?
can we have been cursing?
can you have been cursing?
can they have been cursing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not curse?
can you not curse?
can she not curse?
can we not curse?
can you not curse?
can they not curse? 	can I not be cursing?
can you not be cursing?
can she not be cursing?
can we not be cursing?
can you not be cursing?
can they not be cursing? 	can I not have cursed?
can you not have cursed?
can she not have cursed?
can we not have cursed?
can you not have cursed?
can they not have cursed? 	can I not have been cursing?
can you not have been cursing?
can she not have been cursing?
can we not have been cursing?
can you not have been cursing?
can they not have been cursing?