English verb conjugation
COULD SUPERPOSE

Regular verb: superpose - superposed - superposed

Affirmation

Simple form	V-ing form
I could superpose you could superpose he could superpose we could superpose you could superpose they could superpose	I could be superposing you could be superposing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he superpose? could we superpose? could you superpose? could they superpose?	could I be superposing? could you be superposing? could he 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 he 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 he 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 he 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 he 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 he 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 he not have been superposing? could we not have been superposing? could you not have been superposing? could they not have been superposing?