I can doom you can doom she can doom we can doom you can doom they can doom
V-ing form
I can be dooming you can be dooming she can be dooming we can be dooming you can be dooming they can be dooming
Perfect
I can have doomed you can have doomed she can have doomed we can have doomed you can have doomed they can have doomed
V-ing perfect
I can have been dooming you can have been dooming she can have been dooming we can have been dooming you can have been dooming they can have been dooming
Negation
Simple form
I can't doom you can't doom she can't doom we can't doom you can't doom they can't doom
V-ing form
I can't be dooming you can't be dooming she can't be dooming we can't be dooming you can't be dooming they can't be dooming
Perfect
I can't have doomed you can't have doomed she can't have doomed we can't have doomed you can't have doomed they can't have doomed
V-ing perfect
I can't have been dooming you can't have been dooming she can't have been dooming we can't have been dooming you can't have been dooming they can't have been dooming
Interrogative form
Simple form
can I doom? can you doom? can she doom? can we doom? can you doom? can they doom?
V-ing form
can I be dooming? can you be dooming? can she be dooming? can we be dooming? can you be dooming? can they be dooming?
Perfect
can I have doomed? can you have doomed? can she have doomed? can we have doomed? can you have doomed? can they have doomed?
V-ing perfect
can I have been dooming? can you have been dooming? can she have been dooming? can we have been dooming? can you have been dooming? can they have been dooming?
Interro-negative form
Simple form
can't I doom? can't you doom? can't she doom? can't we doom? can't you doom? can't they doom?
V-ing form
can't I be dooming? can't you be dooming? can't she be dooming? can't we be dooming? can't you be dooming? can't they be dooming?
Perfect
can't I have doomed? can't you have doomed? can't she have doomed? can't we have doomed? can't you have doomed? can't they have doomed?
V-ing perfect
can't I have been dooming? can't you have been dooming? can't she have been dooming? can't we have been dooming? can't you have been dooming? can't they have been dooming?