Conjugaison du verbe anglais
CAN UPGRADE

Verbe régulier : upgrade - upgraded - upgraded
Traduction française : améliorer - passer à un système plus puissant

Affirmation

Forme simple	Forme en V-ing
I can upgrade you can upgrade he can upgrade we can upgrade you can upgrade they can upgrade	I can be upgrading you can be upgrading he can be upgrading we can be upgrading you can be upgrading they can be upgrading
Perfect	Perfect en V-ing
I can have upgraded you can have upgraded he can have upgraded we can have upgraded you can have upgraded they can have upgraded	I can have been upgrading you can have been upgrading he can have been upgrading we can have been upgrading you can have been upgrading they can have been upgrading

Négation

Forme simple	Forme en V-ing
I cannot upgrade you cannot upgrade he cannot upgrade we cannot upgrade you cannot upgrade they cannot upgrade	I cannot be upgrading you cannot be upgrading he cannot be upgrading we cannot be upgrading you cannot be upgrading they cannot be upgrading
Perfect	Perfect en V-ing
I cannot have upgraded you cannot have upgraded he cannot have upgraded we cannot have upgraded you cannot have upgraded they cannot have upgraded	I cannot have been upgrading you cannot have been upgrading he cannot have been upgrading we cannot have been upgrading you cannot have been upgrading they cannot have been upgrading

Forme interrogative

Forme simple	Forme en V-ing
can I upgrade? can you upgrade? can he upgrade? can we upgrade? can you upgrade? can they upgrade?	can I be upgrading? can you be upgrading? can he be upgrading? can we be upgrading? can you be upgrading? can they be upgrading?
Perfect	Perfect en V-ing
can I have upgraded? can you have upgraded? can he have upgraded? can we have upgraded? can you have upgraded? can they have upgraded?	can I have been upgrading? can you have been upgrading? can he have been upgrading? can we have been upgrading? can you have been upgrading? can they have been upgrading?

Forme interro-négative

Forme simple	Forme en V-ing
can I not upgrade? can you not upgrade? can he not upgrade? can we not upgrade? can you not upgrade? can they not upgrade?	can I not be upgrading? can you not be upgrading? can he not be upgrading? can we not be upgrading? can you not be upgrading? can they not be upgrading?
Perfect	Perfect en V-ing
can I not have upgraded? can you not have upgraded? can he not have upgraded? can we not have upgraded? can you not have upgraded? can they not have upgraded?	can I not have been upgrading? can you not have been upgrading? can he not have been upgrading? can we not have been upgrading? can you not have been upgrading? can they not have been upgrading?