English verb conjugation
COULD SCHLEP

Regular verb: schlep - schleped - schleped

Affirmation

Simple form	V-ing form
I could schlep you could schlep he could schlep we could schlep you could schlep they could schlep	I could be schleping you could be schleping he could be schleping we could be schleping you could be schleping they could be schleping
Perfect	V-ing perfect
I could have schleped you could have schleped he could have schleped we could have schleped you could have schleped they could have schleped	I could have been schleping you could have been schleping he could have been schleping we could have been schleping you could have been schleping they could have been schleping

Negation

Simple form	V-ing form
I could not schlep you could not schlep he could not schlep we could not schlep you could not schlep they could not schlep	I could not be schleping you could not be schleping he could not be schleping we could not be schleping you could not be schleping they could not be schleping
Perfect	V-ing perfect
I could not have schleped you could not have schleped he could not have schleped we could not have schleped you could not have schleped they could not have schleped	I could not have been schleping you could not have been schleping he could not have been schleping we could not have been schleping you could not have been schleping they could not have been schleping

Interrogative form

Simple form	V-ing form
could I schlep? could you schlep? could he schlep? could we schlep? could you schlep? could they schlep?	could I be schleping? could you be schleping? could he be schleping? could we be schleping? could you be schleping? could they be schleping?
Perfect	V-ing perfect
could I have schleped? could you have schleped? could he have schleped? could we have schleped? could you have schleped? could they have schleped?	could I have been schleping? could you have been schleping? could he have been schleping? could we have been schleping? could you have been schleping? could they have been schleping?

Interro-negative form

Simple form	V-ing form
could I not schlep? could you not schlep? could he not schlep? could we not schlep? could you not schlep? could they not schlep?	could I not be schleping? could you not be schleping? could he not be schleping? could we not be schleping? could you not be schleping? could they not be schleping?
Perfect	V-ing perfect
could I not have schleped? could you not have schleped? could he not have schleped? could we not have schleped? could you not have schleped? could they not have schleped?	could I not have been schleping? could you not have been schleping? could he not have been schleping? could we not have been schleping? could you not have been schleping? could they not have been schleping?