I can overacheive you can overacheive he can overacheive we can overacheive you can overacheive they can overacheive
Forme en V-ing
I can be overacheiving you can be overacheiving he can be overacheiving we can be overacheiving you can be overacheiving they can be overacheiving
Perfect
I can have overacheived you can have overacheived he can have overacheived we can have overacheived you can have overacheived they can have overacheived
Perfect en V-ing
I can have been overacheiving you can have been overacheiving he can have been overacheiving we can have been overacheiving you can have been overacheiving they can have been overacheiving
Négation
Forme simple
I can't overacheive you can't overacheive he can't overacheive we can't overacheive you can't overacheive they can't overacheive
Forme en V-ing
I can't be overacheiving you can't be overacheiving he can't be overacheiving we can't be overacheiving you can't be overacheiving they can't be overacheiving
Perfect
I can't have overacheived you can't have overacheived he can't have overacheived we can't have overacheived you can't have overacheived they can't have overacheived
Perfect en V-ing
I can't have been overacheiving you can't have been overacheiving he can't have been overacheiving we can't have been overacheiving you can't have been overacheiving they can't have been overacheiving
Forme interrogative
Forme simple
can I overacheive? can you overacheive? can he overacheive? can we overacheive? can you overacheive? can they overacheive?
Forme en V-ing
can I be overacheiving? can you be overacheiving? can he be overacheiving? can we be overacheiving? can you be overacheiving? can they be overacheiving?
Perfect
can I have overacheived? can you have overacheived? can he have overacheived? can we have overacheived? can you have overacheived? can they have overacheived?
Perfect en V-ing
can I have been overacheiving? can you have been overacheiving? can he have been overacheiving? can we have been overacheiving? can you have been overacheiving? can they have been overacheiving?
Forme interro-négative
Forme simple
can't I overacheive? can't you overacheive? can't he overacheive? can't we overacheive? can't you overacheive? can't they overacheive?
Forme en V-ing
can't I be overacheiving? can't you be overacheiving? can't he be overacheiving? can't we be overacheiving? can't you be overacheiving? can't they be overacheiving?
Perfect
can't I have overacheived? can't you have overacheived? can't he have overacheived? can't we have overacheived? can't you have overacheived? can't they have overacheived?
Perfect en V-ing
can't I have been overacheiving? can't you have been overacheiving? can't he have been overacheiving? can't we have been overacheiving? can't you have been overacheiving? can't they have been overacheiving?