can tense
Regular verb: tense - tensed- tensed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tense
you can tense
she can tense
we can tense
you can tense
they can tense 	I can be tensing
you can be tensing
she can be tensing
we can be tensing
you can be tensing
they can be tensing	I can have tensed
you can have tensed
she can have tensed
we can have tensed
you can have tensed
they can have tensed	I can have been tensing
you can have been tensing
she can have been tensing
we can have been tensing
you can have been tensing
they can have been tensing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot tense
you cannot tense
she cannot tense
we cannot tense
you cannot tense
they cannot tense 	I cannot be tensing
you cannot be tensing
she cannot be tensing
we cannot be tensing
you cannot be tensing
they cannot be tensing	I cannot have tensed
you cannot have tensed
she cannot have tensed
we cannot have tensed
you cannot have tensed
they cannot have tensed	I cannot have been tensing
you cannot have been tensing
she cannot have been tensing
we cannot have been tensing
you cannot have been tensing
they cannot have been tensing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tense?
can you tense?
can she tense?
can we tense?
can you tense?
can they tense? 	can I be tensing?
can you be tensing?
can she be tensing?
can we be tensing?
can you be tensing?
can they be tensing? 	can I have tensed?
can you have tensed?
can she have tensed?
can we have tensed?
can you have tensed?
can they have tensed? 	can I have been tensing?
can you have been tensing?
can she have been tensing?
can we have been tensing?
can you have been tensing?
can they have been tensing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not tense?
can you not tense?
can she not tense?
can we not tense?
can you not tense?
can they not tense? 	can I not be tensing?
can you not be tensing?
can she not be tensing?
can we not be tensing?
can you not be tensing?
can they not be tensing? 	can I not have tensed?
can you not have tensed?
can she not have tensed?
can we not have tensed?
can you not have tensed?
can they not have tensed? 	can I not have been tensing?
can you not have been tensing?
can she not have been tensing?
can we not have been tensing?
can you not have been tensing?
can they not have been tensing?