English verb conjugation
COULD PREPLACE

Regular verb: preplace - preplaced - preplaced

Affirmation

Simple form	V-ing form
I could preplace you could preplace he could preplace we could preplace you could preplace they could preplace	I could be preplacing you could be preplacing he could be preplacing we could be preplacing you could be preplacing they could be preplacing
Perfect	V-ing perfect
I could have preplaced you could have preplaced he could have preplaced we could have preplaced you could have preplaced they could have preplaced	I could have been preplacing you could have been preplacing he could have been preplacing we could have been preplacing you could have been preplacing they could have been preplacing

Negation

Simple form	V-ing form
I could not preplace you could not preplace he could not preplace we could not preplace you could not preplace they could not preplace	I could not be preplacing you could not be preplacing he could not be preplacing we could not be preplacing you could not be preplacing they could not be preplacing
Perfect	V-ing perfect
I could not have preplaced you could not have preplaced he could not have preplaced we could not have preplaced you could not have preplaced they could not have preplaced	I could not have been preplacing you could not have been preplacing he could not have been preplacing we could not have been preplacing you could not have been preplacing they could not have been preplacing

Interrogative form

Simple form	V-ing form
could I preplace? could you preplace? could he preplace? could we preplace? could you preplace? could they preplace?	could I be preplacing? could you be preplacing? could he be preplacing? could we be preplacing? could you be preplacing? could they be preplacing?
Perfect	V-ing perfect
could I have preplaced? could you have preplaced? could he have preplaced? could we have preplaced? could you have preplaced? could they have preplaced?	could I have been preplacing? could you have been preplacing? could he have been preplacing? could we have been preplacing? could you have been preplacing? could they have been preplacing?

Interro-negative form

Simple form	V-ing form
could I not preplace? could you not preplace? could he not preplace? could we not preplace? could you not preplace? could they not preplace?	could I not be preplacing? could you not be preplacing? could he not be preplacing? could we not be preplacing? could you not be preplacing? could they not be preplacing?
Perfect	V-ing perfect
could I not have preplaced? could you not have preplaced? could he not have preplaced? could we not have preplaced? could you not have preplaced? could they not have preplaced?	could I not have been preplacing? could you not have been preplacing? could he not have been preplacing? could we not have been preplacing? could you not have been preplacing? could they not have been preplacing?