Conjugação do verbo inglês
CAN UNDERPERFORM

Verbo regular: underperform - underperformed - underperformed

Afirmação

Forma simple	Forma com V-ing
I can underperform you can underperform he can underperform we can underperform you can underperform they can underperform	I can be underperforming you can be underperforming he can be underperforming we can be underperforming you can be underperforming they can be underperforming
Perfeito	Perfeito com V-ing
I can have underperformed you can have underperformed he can have underperformed we can have underperformed you can have underperformed they can have underperformed	I can have been underperforming you can have been underperforming he can have been underperforming we can have been underperforming you can have been underperforming they can have been underperforming

Negação

Forma simple	Forma com V-ing
I can't underperform you can't underperform he can't underperform we can't underperform you can't underperform they can't underperform	I can't be underperforming you can't be underperforming he can't be underperforming we can't be underperforming you can't be underperforming they can't be underperforming
Perfeito	Perfeito com V-ing
I can't have underperformed you can't have underperformed he can't have underperformed we can't have underperformed you can't have underperformed they can't have underperformed	I can't have been underperforming you can't have been underperforming he can't have been underperforming we can't have been underperforming you can't have been underperforming they can't have been underperforming

Forma interrogativa

Forma simple	Forma com V-ing
can I underperform? can you underperform? can he underperform? can we underperform? can you underperform? can they underperform?	can I be underperforming? can you be underperforming? can he be underperforming? can we be underperforming? can you be underperforming? can they be underperforming?
Perfeito	Perfeito com V-ing
can I have underperformed? can you have underperformed? can he have underperformed? can we have underperformed? can you have underperformed? can they have underperformed?	can I have been underperforming? can you have been underperforming? can he have been underperforming? can we have been underperforming? can you have been underperforming? can they have been underperforming?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I underperform? can't you underperform? can't he underperform? can't we underperform? can't you underperform? can't they underperform?	can't I be underperforming? can't you be underperforming? can't he be underperforming? can't we be underperforming? can't you be underperforming? can't they be underperforming?
Perfeito	Perfeito com V-ing
can't I have underperformed? can't you have underperformed? can't he have underperformed? can't we have underperformed? can't you have underperformed? can't they have underperformed?	can't I have been underperforming? can't you have been underperforming? can't he have been underperforming? can't we have been underperforming? can't you have been underperforming? can't they have been underperforming?