English verb conjugation
COULD GROVEL

Regular verb: grovel - grovelled - grovelled

Affirmation

Simple form	V-ing form
I could grovel you could grovel he could grovel we could grovel you could grovel they could grovel	I could be grovelling you could be grovelling he could be grovelling we could be grovelling you could be grovelling they could be grovelling
Perfect	V-ing perfect
I could have grovelled you could have grovelled he could have grovelled we could have grovelled you could have grovelled they could have grovelled	I could have been grovelling you could have been grovelling he could have been grovelling we could have been grovelling you could have been grovelling they could have been grovelling

Negation

Simple form	V-ing form
I could not grovel you could not grovel he could not grovel we could not grovel you could not grovel they could not grovel	I could not be grovelling you could not be grovelling he could not be grovelling we could not be grovelling you could not be grovelling they could not be grovelling
Perfect	V-ing perfect
I could not have grovelled you could not have grovelled he could not have grovelled we could not have grovelled you could not have grovelled they could not have grovelled	I could not have been grovelling you could not have been grovelling he could not have been grovelling we could not have been grovelling you could not have been grovelling they could not have been grovelling

Interrogative form

Simple form	V-ing form
could I grovel? could you grovel? could he grovel? could we grovel? could you grovel? could they grovel?	could I be grovelling? could you be grovelling? could he be grovelling? could we be grovelling? could you be grovelling? could they be grovelling?
Perfect	V-ing perfect
could I have grovelled? could you have grovelled? could he have grovelled? could we have grovelled? could you have grovelled? could they have grovelled?	could I have been grovelling? could you have been grovelling? could he have been grovelling? could we have been grovelling? could you have been grovelling? could they have been grovelling?

Interro-negative form

Simple form	V-ing form
could I not grovel? could you not grovel? could he not grovel? could we not grovel? could you not grovel? could they not grovel?	could I not be grovelling? could you not be grovelling? could he not be grovelling? could we not be grovelling? could you not be grovelling? could they not be grovelling?
Perfect	V-ing perfect
could I not have grovelled? could you not have grovelled? could he not have grovelled? could we not have grovelled? could you not have grovelled? could they not have grovelled?	could I not have been grovelling? could you not have been grovelling? could he not have been grovelling? could we not have been grovelling? could you not have been grovelling? could they not have been grovelling?