Conjugação do verbo inglês
CAN THUMBTACK

Verbo regular: thumbtack - thumbtacked - thumbtacked

Afirmação

Forma simple	Forma com V-ing
I can thumbtack you can thumbtack he can thumbtack we can thumbtack you can thumbtack they can thumbtack	I can be thumbtacking you can be thumbtacking he can be thumbtacking we can be thumbtacking you can be thumbtacking they can be thumbtacking
Perfeito	Perfeito com V-ing
I can have thumbtacked you can have thumbtacked he can have thumbtacked we can have thumbtacked you can have thumbtacked they can have thumbtacked	I can have been thumbtacking you can have been thumbtacking he can have been thumbtacking we can have been thumbtacking you can have been thumbtacking they can have been thumbtacking

Negação

Forma simple	Forma com V-ing
I can't thumbtack you can't thumbtack he can't thumbtack we can't thumbtack you can't thumbtack they can't thumbtack	I can't be thumbtacking you can't be thumbtacking he can't be thumbtacking we can't be thumbtacking you can't be thumbtacking they can't be thumbtacking
Perfeito	Perfeito com V-ing
I can't have thumbtacked you can't have thumbtacked he can't have thumbtacked we can't have thumbtacked you can't have thumbtacked they can't have thumbtacked	I can't have been thumbtacking you can't have been thumbtacking he can't have been thumbtacking we can't have been thumbtacking you can't have been thumbtacking they can't have been thumbtacking

Forma interrogativa

Forma simple	Forma com V-ing
can I thumbtack? can you thumbtack? can he thumbtack? can we thumbtack? can you thumbtack? can they thumbtack?	can I be thumbtacking? can you be thumbtacking? can he be thumbtacking? can we be thumbtacking? can you be thumbtacking? can they be thumbtacking?
Perfeito	Perfeito com V-ing
can I have thumbtacked? can you have thumbtacked? can he have thumbtacked? can we have thumbtacked? can you have thumbtacked? can they have thumbtacked?	can I have been thumbtacking? can you have been thumbtacking? can he have been thumbtacking? can we have been thumbtacking? can you have been thumbtacking? can they have been thumbtacking?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I thumbtack? can't you thumbtack? can't he thumbtack? can't we thumbtack? can't you thumbtack? can't they thumbtack?	can't I be thumbtacking? can't you be thumbtacking? can't he be thumbtacking? can't we be thumbtacking? can't you be thumbtacking? can't they be thumbtacking?
Perfeito	Perfeito com V-ing
can't I have thumbtacked? can't you have thumbtacked? can't he have thumbtacked? can't we have thumbtacked? can't you have thumbtacked? can't they have thumbtacked?	can't I have been thumbtacking? can't you have been thumbtacking? can't he have been thumbtacking? can't we have been thumbtacking? can't you have been thumbtacking? can't they have been thumbtacking?