will thumbtack
Regular verb: thumbtack - thumbtacked- thumbtacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll thumbtack
you'll thumbtack
he'll thumbtack
we'll thumbtack
you'll thumbtack
they'll thumbtack 	I'll be thumbtacking
you'll be thumbtacking
he'll be thumbtacking
we'll be thumbtacking
you'll be thumbtacking
they'll be thumbtacking	I'll have thumbtacked
you'll have thumbtacked
he'll have thumbtacked
we'll have thumbtacked
you'll have thumbtacked
they'll have thumbtacked	I'll have been thumbtacking
you'll have been thumbtacking
he'll have been thumbtacking
we'll have been thumbtacking
you'll have been thumbtacking
they'll have been thumbtacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't thumbtack
you won't thumbtack
he won't thumbtack
we won't thumbtack
you won't thumbtack
they won't thumbtack 	I won't be thumbtacking
you won't be thumbtacking
he won't be thumbtacking
we won't be thumbtacking
you won't be thumbtacking
they won't be thumbtacking	I won't have thumbtacked
you won't have thumbtacked
he won't have thumbtacked
we won't have thumbtacked
you won't have thumbtacked
they won't have thumbtacked	I won't have been thumbtacking
you won't have been thumbtacking
he won't have been thumbtacking
we won't have been thumbtacking
you won't have been thumbtacking
they won't have been thumbtacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I thumbtack?
will you thumbtack?
will he thumbtack?
will we thumbtack?
will you thumbtack?
will they thumbtack? 	will I be thumbtacking?
will you be thumbtacking?
will he be thumbtacking?
will we be thumbtacking?
will you be thumbtacking?
will they be thumbtacking? 	will I have thumbtacked?
will you have thumbtacked?
will he have thumbtacked?
will we have thumbtacked?
will you have thumbtacked?
will they have thumbtacked? 	will I have been thumbtacking?
will you have been thumbtacking?
will he have been thumbtacking?
will we have been thumbtacking?
will you have been thumbtacking?
will they have been thumbtacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I thumbtack?
won't you thumbtack?
won't he thumbtack?
won't we thumbtack?
won't you thumbtack?
won't they thumbtack? 	won't I be thumbtacking?
won't you be thumbtacking?
won't he be thumbtacking?
won't we be thumbtacking?
won't you be thumbtacking?
won't they be thumbtacking? 	won't I have thumbtacked?
won't you have thumbtacked?
won't he have thumbtacked?
won't we have thumbtacked?
won't you have thumbtacked?
won't they have thumbtacked? 	won't I have been thumbtacking?
won't you have been thumbtacking?
won't he have been thumbtacking?
won't we have been thumbtacking?
won't you have been thumbtacking?
won't they have been thumbtacking?