can thirst
Regular verb: thirst - thirsted- thirsted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can thirst
you can thirst
she can thirst
we can thirst
you can thirst
they can thirst 	I can be thirsting
you can be thirsting
she can be thirsting
we can be thirsting
you can be thirsting
they can be thirsting	I can have thirsted
you can have thirsted
she can have thirsted
we can have thirsted
you can have thirsted
they can have thirsted	I can have been thirsting
you can have been thirsting
she can have been thirsting
we can have been thirsting
you can have been thirsting
they can have been thirsting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't thirst
you can't thirst
she can't thirst
we can't thirst
you can't thirst
they can't thirst 	I can't be thirsting
you can't be thirsting
she can't be thirsting
we can't be thirsting
you can't be thirsting
they can't be thirsting	I can't have thirsted
you can't have thirsted
she can't have thirsted
we can't have thirsted
you can't have thirsted
they can't have thirsted	I can't have been thirsting
you can't have been thirsting
she can't have been thirsting
we can't have been thirsting
you can't have been thirsting
they can't have been thirsting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I thirst?
can you thirst?
can she thirst?
can we thirst?
can you thirst?
can they thirst? 	can I be thirsting?
can you be thirsting?
can she be thirsting?
can we be thirsting?
can you be thirsting?
can they be thirsting? 	can I have thirsted?
can you have thirsted?
can she have thirsted?
can we have thirsted?
can you have thirsted?
can they have thirsted? 	can I have been thirsting?
can you have been thirsting?
can she have been thirsting?
can we have been thirsting?
can you have been thirsting?
can they have been thirsting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I thirst?
can't you thirst?
can't she thirst?
can't we thirst?
can't you thirst?
can't they thirst? 	can't I be thirsting?
can't you be thirsting?
can't she be thirsting?
can't we be thirsting?
can't you be thirsting?
can't they be thirsting? 	can't I have thirsted?
can't you have thirsted?
can't she have thirsted?
can't we have thirsted?
can't you have thirsted?
can't they have thirsted? 	can't I have been thirsting?
can't you have been thirsting?
can't she have been thirsting?
can't we have been thirsting?
can't you have been thirsting?
can't they have been thirsting?