Conjugação do verbo inglês
CAN CERTIFICATE

Verbo regular: certificate - certificated - certificated

Afirmação

Forma simple	Forma com V-ing
I can certificate you can certificate he can certificate we can certificate you can certificate they can certificate	I can be certificating you can be certificating he can be certificating we can be certificating you can be certificating they can be certificating
Perfeito	Perfeito com V-ing
I can have certificated you can have certificated he can have certificated we can have certificated you can have certificated they can have certificated	I can have been certificating you can have been certificating he can have been certificating we can have been certificating you can have been certificating they can have been certificating

Negação

Forma simple	Forma com V-ing
I can't certificate you can't certificate he can't certificate we can't certificate you can't certificate they can't certificate	I can't be certificating you can't be certificating he can't be certificating we can't be certificating you can't be certificating they can't be certificating
Perfeito	Perfeito com V-ing
I can't have certificated you can't have certificated he can't have certificated we can't have certificated you can't have certificated they can't have certificated	I can't have been certificating you can't have been certificating he can't have been certificating we can't have been certificating you can't have been certificating they can't have been certificating

Forma interrogativa

Forma simple	Forma com V-ing
can I certificate? can you certificate? can he certificate? can we certificate? can you certificate? can they certificate?	can I be certificating? can you be certificating? can he be certificating? can we be certificating? can you be certificating? can they be certificating?
Perfeito	Perfeito com V-ing
can I have certificated? can you have certificated? can he have certificated? can we have certificated? can you have certificated? can they have certificated?	can I have been certificating? can you have been certificating? can he have been certificating? can we have been certificating? can you have been certificating? can they have been certificating?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I certificate? can't you certificate? can't he certificate? can't we certificate? can't you certificate? can't they certificate?	can't I be certificating? can't you be certificating? can't he be certificating? can't we be certificating? can't you be certificating? can't they be certificating?
Perfeito	Perfeito com V-ing
can't I have certificated? can't you have certificated? can't he have certificated? can't we have certificated? can't you have certificated? can't they have certificated?	can't I have been certificating? can't you have been certificating? can't he have been certificating? can't we have been certificating? can't you have been certificating? can't they have been certificating?