I can erect you can erect he can erect we can erect you can erect they can erect
Forme en V-ing
I can be erecting you can be erecting he can be erecting we can be erecting you can be erecting they can be erecting
Perfect
I can have erected you can have erected he can have erected we can have erected you can have erected they can have erected
Perfect en V-ing
I can have been erecting you can have been erecting he can have been erecting we can have been erecting you can have been erecting they can have been erecting
Négation
Forme simple
I can't erect you can't erect he can't erect we can't erect you can't erect they can't erect
Forme en V-ing
I can't be erecting you can't be erecting he can't be erecting we can't be erecting you can't be erecting they can't be erecting
Perfect
I can't have erected you can't have erected he can't have erected we can't have erected you can't have erected they can't have erected
Perfect en V-ing
I can't have been erecting you can't have been erecting he can't have been erecting we can't have been erecting you can't have been erecting they can't have been erecting
Forme interrogative
Forme simple
can I erect? can you erect? can he erect? can we erect? can you erect? can they erect?
Forme en V-ing
can I be erecting? can you be erecting? can he be erecting? can we be erecting? can you be erecting? can they be erecting?
Perfect
can I have erected? can you have erected? can he have erected? can we have erected? can you have erected? can they have erected?
Perfect en V-ing
can I have been erecting? can you have been erecting? can he have been erecting? can we have been erecting? can you have been erecting? can they have been erecting?
Forme interro-négative
Forme simple
can't I erect? can't you erect? can't he erect? can't we erect? can't you erect? can't they erect?
Forme en V-ing
can't I be erecting? can't you be erecting? can't he be erecting? can't we be erecting? can't you be erecting? can't they be erecting?
Perfect
can't I have erected? can't you have erected? can't he have erected? can't we have erected? can't you have erected? can't they have erected?
Perfect en V-ing
can't I have been erecting? can't you have been erecting? can't he have been erecting? can't we have been erecting? can't you have been erecting? can't they have been erecting?