English verb conjugation
COULD SCHOOL

Regular verb: school - schooled - schooled

Affirmation

Simple form	V-ing form
I could school you could school she could school we could school you could school they could school	I could be schooling you could be schooling she could be schooling we could be schooling you could be schooling they could be schooling
Perfect	V-ing perfect
I could have schooled you could have schooled she could have schooled we could have schooled you could have schooled they could have schooled	I could have been schooling you could have been schooling she could have been schooling we could have been schooling you could have been schooling they could have been schooling

Negation

Simple form	V-ing form
I could not school you could not school she could not school we could not school you could not school they could not school	I could not be schooling you could not be schooling she could not be schooling we could not be schooling you could not be schooling they could not be schooling
Perfect	V-ing perfect
I could not have schooled you could not have schooled she could not have schooled we could not have schooled you could not have schooled they could not have schooled	I could not have been schooling you could not have been schooling she could not have been schooling we could not have been schooling you could not have been schooling they could not have been schooling

Interrogative form

Simple form	V-ing form
could I school? could you school? could she school? could we school? could you school? could they school?	could I be schooling? could you be schooling? could she be schooling? could we be schooling? could you be schooling? could they be schooling?
Perfect	V-ing perfect
could I have schooled? could you have schooled? could she have schooled? could we have schooled? could you have schooled? could they have schooled?	could I have been schooling? could you have been schooling? could she have been schooling? could we have been schooling? could you have been schooling? could they have been schooling?

Interro-negative form

Simple form	V-ing form
could I not school? could you not school? could she not school? could we not school? could you not school? could they not school?	could I not be schooling? could you not be schooling? could she not be schooling? could we not be schooling? could you not be schooling? could they not be schooling?
Perfect	V-ing perfect
could I not have schooled? could you not have schooled? could she not have schooled? could we not have schooled? could you not have schooled? could they not have schooled?	could I not have been schooling? could you not have been schooling? could she not have been schooling? could we not have been schooling? could you not have been schooling? could they not have been schooling?