Conjugación del verbo inglés
CAN CONTEST

Verbo regular: contest - contested - contested

Afirmación

Forma simple	Forma con V-ing
I can contest you can contest he can contest we can contest you can contest they can contest	I can be contesting you can be contesting he can be contesting we can be contesting you can be contesting they can be contesting
Perfecto	Perfecto con V-ing
I can have contested you can have contested he can have contested we can have contested you can have contested they can have contested	I can have been contesting you can have been contesting he can have been contesting we can have been contesting you can have been contesting they can have been contesting

Negación

Forma simple	Forma con V-ing
I can't contest you can't contest he can't contest we can't contest you can't contest they can't contest	I can't be contesting you can't be contesting he can't be contesting we can't be contesting you can't be contesting they can't be contesting
Perfecto	Perfecto con V-ing
I can't have contested you can't have contested he can't have contested we can't have contested you can't have contested they can't have contested	I can't have been contesting you can't have been contesting he can't have been contesting we can't have been contesting you can't have been contesting they can't have been contesting

Forma interrogativa

Forma simple	Forma con V-ing
can I contest? can you contest? can he contest? can we contest? can you contest? can they contest?	can I be contesting? can you be contesting? can he be contesting? can we be contesting? can you be contesting? can they be contesting?
Perfecto	Perfecto con V-ing
can I have contested? can you have contested? can he have contested? can we have contested? can you have contested? can they have contested?	can I have been contesting? can you have been contesting? can he have been contesting? can we have been contesting? can you have been contesting? can they have been contesting?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I contest? can't you contest? can't he contest? can't we contest? can't you contest? can't they contest?	can't I be contesting? can't you be contesting? can't he be contesting? can't we be contesting? can't you be contesting? can't they be contesting?
Perfecto	Perfecto con V-ing
can't I have contested? can't you have contested? can't he have contested? can't we have contested? can't you have contested? can't they have contested?	can't I have been contesting? can't you have been contesting? can't he have been contesting? can't we have been contesting? can't you have been contesting? can't they have been contesting?