English verb conjugation
CAN SMOTHER

Regular verb: smother - smothered - smothered

Affirmation

Simple form	V-ing form
I can smother you can smother he can smother we can smother you can smother they can smother	I can be smothering you can be smothering he can be smothering we can be smothering you can be smothering they can be smothering
Perfect	V-ing perfect
I can have smothered you can have smothered he can have smothered we can have smothered you can have smothered they can have smothered	I can have been smothering you can have been smothering he can have been smothering we can have been smothering you can have been smothering they can have been smothering

Negation

Simple form	V-ing form
I cannot smother you cannot smother he cannot smother we cannot smother you cannot smother they cannot smother	I cannot be smothering you cannot be smothering he cannot be smothering we cannot be smothering you cannot be smothering they cannot be smothering
Perfect	V-ing perfect
I cannot have smothered you cannot have smothered he cannot have smothered we cannot have smothered you cannot have smothered they cannot have smothered	I cannot have been smothering you cannot have been smothering he cannot have been smothering we cannot have been smothering you cannot have been smothering they cannot have been smothering

Interrogative form

Simple form	V-ing form
can I smother? can you smother? can he smother? can we smother? can you smother? can they smother?	can I be smothering? can you be smothering? can he be smothering? can we be smothering? can you be smothering? can they be smothering?
Perfect	V-ing perfect
can I have smothered? can you have smothered? can he have smothered? can we have smothered? can you have smothered? can they have smothered?	can I have been smothering? can you have been smothering? can he have been smothering? can we have been smothering? can you have been smothering? can they have been smothering?

Interro-negative form

Simple form	V-ing form
can I not smother? can you not smother? can he not smother? can we not smother? can you not smother? can they not smother?	can I not be smothering? can you not be smothering? can he not be smothering? can we not be smothering? can you not be smothering? can they not be smothering?
Perfect	V-ing perfect
can I not have smothered? can you not have smothered? can he not have smothered? can we not have smothered? can you not have smothered? can they not have smothered?	can I not have been smothering? can you not have been smothering? can he not have been smothering? can we not have been smothering? can you not have been smothering? can they not have been smothering?