should huff
Regular verb: huff - huffed- huffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should huff
you should huff
she should huff
we should huff
you should huff
they should huff 	I should be huffing
you should be huffing
she should be huffing
we should be huffing
you should be huffing
they should be huffing	I should have huffed
you should have huffed
she should have huffed
we should have huffed
you should have huffed
they should have huffed	I should have been huffing
you should have been huffing
she should have been huffing
we should have been huffing
you should have been huffing
they should have been huffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not huff
you should not huff
she should not huff
we should not huff
you should not huff
they should not huff 	I should not be huffing
you should not be huffing
she should not be huffing
we should not be huffing
you should not be huffing
they should not be huffing	I should not have huffed
you should not have huffed
she should not have huffed
we should not have huffed
you should not have huffed
they should not have huffed	I should not have been huffing
you should not have been huffing
she should not have been huffing
we should not have been huffing
you should not have been huffing
they should not have been huffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I huff?
should you huff?
should she huff?
should we huff?
should you huff?
should they huff? 	should I be huffing?
should you be huffing?
should she be huffing?
should we be huffing?
should you be huffing?
should they be huffing? 	should I have huffed?
should you have huffed?
should she have huffed?
should we have huffed?
should you have huffed?
should they have huffed? 	should I have been huffing?
should you have been huffing?
should she have been huffing?
should we have been huffing?
should you have been huffing?
should they have been huffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not huff?
should you not huff?
should she not huff?
should we not huff?
should you not huff?
should they not huff? 	should I not be huffing?
should you not be huffing?
should she not be huffing?
should we not be huffing?
should you not be huffing?
should they not be huffing? 	should I not have huffed?
should you not have huffed?
should she not have huffed?
should we not have huffed?
should you not have huffed?
should they not have huffed? 	should I not have been huffing?
should you not have been huffing?
should she not have been huffing?
should we not have been huffing?
should you not have been huffing?
should they not have been huffing?