English verb conjugation
CAN DOOM

Regular verb: doom - doomed - doomed

Affirmation

Simple form	V-ing form
I can doom you can doom he can doom we can doom you can doom they can doom	I can be dooming you can be dooming he can be dooming we can be dooming you can be dooming they can be dooming
Perfect	V-ing perfect
I can have doomed you can have doomed he can have doomed we can have doomed you can have doomed they can have doomed	I can have been dooming you can have been dooming he can have been dooming we can have been dooming you can have been dooming they can have been dooming

Negation

Simple form	V-ing form
I cannot doom you cannot doom he cannot doom we cannot doom you cannot doom they cannot doom	I cannot be dooming you cannot be dooming he cannot be dooming we cannot be dooming you cannot be dooming they cannot be dooming
Perfect	V-ing perfect
I cannot have doomed you cannot have doomed he cannot have doomed we cannot have doomed you cannot have doomed they cannot have doomed	I cannot have been dooming you cannot have been dooming he cannot have been dooming we cannot have been dooming you cannot have been dooming they cannot have been dooming

Interrogative form

Simple form	V-ing form
can I doom? can you doom? can he doom? can we doom? can you doom? can they doom?	can I be dooming? can you be dooming? can he be dooming? can we be dooming? can you be dooming? can they be dooming?
Perfect	V-ing perfect
can I have doomed? can you have doomed? can he have doomed? can we have doomed? can you have doomed? can they have doomed?	can I have been dooming? can you have been dooming? can he have been dooming? can we have been dooming? can you have been dooming? can they have been dooming?

Interro-negative form

Simple form	V-ing form
can I not doom? can you not doom? can he not doom? can we not doom? can you not doom? can they not doom?	can I not be dooming? can you not be dooming? can he not be dooming? can we not be dooming? can you not be dooming? can they not be dooming?
Perfect	V-ing perfect
can I not have doomed? can you not have doomed? can he not have doomed? can we not have doomed? can you not have doomed? can they not have doomed?	can I not have been dooming? can you not have been dooming? can he not have been dooming? can we not have been dooming? can you not have been dooming? can they not have been dooming?