English verb conjugation
COULD INSPHERE

Regular verb: insphere - insphered - insphered

Affirmation

Simple form	V-ing form
I could insphere you could insphere he could insphere we could insphere you could insphere they could insphere	I could be insphering you could be insphering he could be insphering we could be insphering you could be insphering they could be insphering
Perfect	V-ing perfect
I could have insphered you could have insphered he could have insphered we could have insphered you could have insphered they could have insphered	I could have been insphering you could have been insphering he could have been insphering we could have been insphering you could have been insphering they could have been insphering

Negation

Simple form	V-ing form
I could not insphere you could not insphere he could not insphere we could not insphere you could not insphere they could not insphere	I could not be insphering you could not be insphering he could not be insphering we could not be insphering you could not be insphering they could not be insphering
Perfect	V-ing perfect
I could not have insphered you could not have insphered he could not have insphered we could not have insphered you could not have insphered they could not have insphered	I could not have been insphering you could not have been insphering he could not have been insphering we could not have been insphering you could not have been insphering they could not have been insphering

Interrogative form

Simple form	V-ing form
could I insphere? could you insphere? could he insphere? could we insphere? could you insphere? could they insphere?	could I be insphering? could you be insphering? could he be insphering? could we be insphering? could you be insphering? could they be insphering?
Perfect	V-ing perfect
could I have insphered? could you have insphered? could he have insphered? could we have insphered? could you have insphered? could they have insphered?	could I have been insphering? could you have been insphering? could he have been insphering? could we have been insphering? could you have been insphering? could they have been insphering?

Interro-negative form

Simple form	V-ing form
could I not insphere? could you not insphere? could he not insphere? could we not insphere? could you not insphere? could they not insphere?	could I not be insphering? could you not be insphering? could he not be insphering? could we not be insphering? could you not be insphering? could they not be insphering?
Perfect	V-ing perfect
could I not have insphered? could you not have insphered? could he not have insphered? could we not have insphered? could you not have insphered? could they not have insphered?	could I not have been insphering? could you not have been insphering? could he not have been insphering? could we not have been insphering? could you not have been insphering? could they not have been insphering?