English verb conjugation
CAN SMOTHER

Regular verb: smother - smothered - smothered

Affirmation

Simple form	V-ing form
I can smother you can smother she can smother we can smother you can smother they can smother	I can be smothering you can be smothering she 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 she 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 she 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 can't smother you can't smother she can't smother we can't smother you can't smother they can't smother	I can't be smothering you can't be smothering she can't be smothering we can't be smothering you can't be smothering they can't be smothering
Perfect	V-ing perfect
I can't have smothered you can't have smothered she can't have smothered we can't have smothered you can't have smothered they can't have smothered	I can't have been smothering you can't have been smothering she can't have been smothering we can't have been smothering you can't have been smothering they can't have been smothering

Interrogative form

Simple form	V-ing form
can I smother? can you smother? can she smother? can we smother? can you smother? can they smother?	can I be smothering? can you be smothering? can she 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 she 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 she 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't I smother? can't you smother? can't she smother? can't we smother? can't you smother? can't they smother?	can't I be smothering? can't you be smothering? can't she be smothering? can't we be smothering? can't you be smothering? can't they be smothering?
Perfect	V-ing perfect
can't I have smothered? can't you have smothered? can't she have smothered? can't we have smothered? can't you have smothered? can't they have smothered?	can't I have been smothering? can't you have been smothering? can't she have been smothering? can't we have been smothering? can't you have been smothering? can't they have been smothering?