English verb conjugation
COULD OVERWRITE

Irregular verb: overwrite - overwrote - overwritten

Affirmation

Simple form	V-ing form
I could overwrite you could overwrite he could overwrite we could overwrite you could overwrite they could overwrite	I could be overwriting you could be overwriting he could be overwriting we could be overwriting you could be overwriting they could be overwriting
Perfect	V-ing perfect
I could have overwritten you could have overwritten he could have overwritten we could have overwritten you could have overwritten they could have overwritten	I could have been overwriting you could have been overwriting he could have been overwriting we could have been overwriting you could have been overwriting they could have been overwriting

Negation

Simple form	V-ing form
I couldn't overwrite you couldn't overwrite he couldn't overwrite we couldn't overwrite you couldn't overwrite they couldn't overwrite	I couldn't be overwriting you couldn't be overwriting he couldn't be overwriting we couldn't be overwriting you couldn't be overwriting they couldn't be overwriting
Perfect	V-ing perfect
I couldn't have overwritten you couldn't have overwritten he couldn't have overwritten we couldn't have overwritten you couldn't have overwritten they couldn't have overwritten	I couldn't have been overwriting you couldn't have been overwriting he couldn't have been overwriting we couldn't have been overwriting you couldn't have been overwriting they couldn't have been overwriting

Interrogative form

Simple form	V-ing form
could I overwrite? could you overwrite? could he overwrite? could we overwrite? could you overwrite? could they overwrite?	could I be overwriting? could you be overwriting? could he be overwriting? could we be overwriting? could you be overwriting? could they be overwriting?
Perfect	V-ing perfect
could I have overwritten? could you have overwritten? could he have overwritten? could we have overwritten? could you have overwritten? could they have overwritten?	could I have been overwriting? could you have been overwriting? could he have been overwriting? could we have been overwriting? could you have been overwriting? could they have been overwriting?

Interro-negative form

Simple form	V-ing form
couldn't I overwrite? couldn't you overwrite? couldn't he overwrite? couldn't we overwrite? couldn't you overwrite? couldn't they overwrite?	couldn't I be overwriting? couldn't you be overwriting? couldn't he be overwriting? couldn't we be overwriting? couldn't you be overwriting? couldn't they be overwriting?
Perfect	V-ing perfect
couldn't I have overwritten? couldn't you have overwritten? couldn't he have overwritten? couldn't we have overwritten? couldn't you have overwritten? couldn't they have overwritten?	couldn't I have been overwriting? couldn't you have been overwriting? couldn't he have been overwriting? couldn't we have been overwriting? couldn't you have been overwriting? couldn't they have been overwriting?