English verb conjugation
COULD REQUESTION

Regular verb: requestion - requestioned - requestioned

Affirmation

Simple form	V-ing form
I could requestion you could requestion he could requestion we could requestion you could requestion they could requestion	I could be requestioning you could be requestioning he could be requestioning we could be requestioning you could be requestioning they could be requestioning
Perfect	V-ing perfect
I could have requestioned you could have requestioned he could have requestioned we could have requestioned you could have requestioned they could have requestioned	I could have been requestioning you could have been requestioning he could have been requestioning we could have been requestioning you could have been requestioning they could have been requestioning

Negation

Simple form	V-ing form
I couldn't requestion you couldn't requestion he couldn't requestion we couldn't requestion you couldn't requestion they couldn't requestion	I couldn't be requestioning you couldn't be requestioning he couldn't be requestioning we couldn't be requestioning you couldn't be requestioning they couldn't be requestioning
Perfect	V-ing perfect
I couldn't have requestioned you couldn't have requestioned he couldn't have requestioned we couldn't have requestioned you couldn't have requestioned they couldn't have requestioned	I couldn't have been requestioning you couldn't have been requestioning he couldn't have been requestioning we couldn't have been requestioning you couldn't have been requestioning they couldn't have been requestioning

Interrogative form

Simple form	V-ing form
could I requestion? could you requestion? could he requestion? could we requestion? could you requestion? could they requestion?	could I be requestioning? could you be requestioning? could he be requestioning? could we be requestioning? could you be requestioning? could they be requestioning?
Perfect	V-ing perfect
could I have requestioned? could you have requestioned? could he have requestioned? could we have requestioned? could you have requestioned? could they have requestioned?	could I have been requestioning? could you have been requestioning? could he have been requestioning? could we have been requestioning? could you have been requestioning? could they have been requestioning?

Interro-negative form

Simple form	V-ing form
couldn't I requestion? couldn't you requestion? couldn't he requestion? couldn't we requestion? couldn't you requestion? couldn't they requestion?	couldn't I be requestioning? couldn't you be requestioning? couldn't he be requestioning? couldn't we be requestioning? couldn't you be requestioning? couldn't they be requestioning?
Perfect	V-ing perfect
couldn't I have requestioned? couldn't you have requestioned? couldn't he have requestioned? couldn't we have requestioned? couldn't you have requestioned? couldn't they have requestioned?	couldn't I have been requestioning? couldn't you have been requestioning? couldn't he have been requestioning? couldn't we have been requestioning? couldn't you have been requestioning? couldn't they have been requestioning?