English verb conjugation
COULD SUPERPOSE

Regular verb: superpose - superposed - superposed

Affirmation

Simple form	V-ing form
I could superpose you could superpose she could superpose we could superpose you could superpose they could superpose	I could be superposing you could be superposing she could be superposing we could be superposing you could be superposing they could be superposing
Perfect	V-ing perfect
I could have superposed you could have superposed she could have superposed we could have superposed you could have superposed they could have superposed	I could have been superposing you could have been superposing she could have been superposing we could have been superposing you could have been superposing they could have been superposing

Negation

Simple form	V-ing form
I could not superpose you could not superpose she could not superpose we could not superpose you could not superpose they could not superpose	I could not be superposing you could not be superposing she could not be superposing we could not be superposing you could not be superposing they could not be superposing
Perfect	V-ing perfect
I could not have superposed you could not have superposed she could not have superposed we could not have superposed you could not have superposed they could not have superposed	I could not have been superposing you could not have been superposing she could not have been superposing we could not have been superposing you could not have been superposing they could not have been superposing

Interrogative form

Simple form	V-ing form
could I superpose? could you superpose? could she superpose? could we superpose? could you superpose? could they superpose?	could I be superposing? could you be superposing? could she be superposing? could we be superposing? could you be superposing? could they be superposing?
Perfect	V-ing perfect
could I have superposed? could you have superposed? could she have superposed? could we have superposed? could you have superposed? could they have superposed?	could I have been superposing? could you have been superposing? could she have been superposing? could we have been superposing? could you have been superposing? could they have been superposing?

Interro-negative form

Simple form	V-ing form
could I not superpose? could you not superpose? could she not superpose? could we not superpose? could you not superpose? could they not superpose?	could I not be superposing? could you not be superposing? could she not be superposing? could we not be superposing? could you not be superposing? could they not be superposing?
Perfect	V-ing perfect
could I not have superposed? could you not have superposed? could she not have superposed? could we not have superposed? could you not have superposed? could they not have superposed?	could I not have been superposing? could you not have been superposing? could she not have been superposing? could we not have been superposing? could you not have been superposing? could they not have been superposing?