English verb conjugation
COULD PARAFFIN

Regular verb: paraffin - paraffined - paraffined

Affirmation

Simple form	V-ing form
I could paraffin you could paraffin she could paraffin we could paraffin you could paraffin they could paraffin	I could be paraffining you could be paraffining she could be paraffining we could be paraffining you could be paraffining they could be paraffining
Perfect	V-ing perfect
I could have paraffined you could have paraffined she could have paraffined we could have paraffined you could have paraffined they could have paraffined	I could have been paraffining you could have been paraffining she could have been paraffining we could have been paraffining you could have been paraffining they could have been paraffining

Negation

Simple form	V-ing form
I couldn't paraffin you couldn't paraffin she couldn't paraffin we couldn't paraffin you couldn't paraffin they couldn't paraffin	I couldn't be paraffining you couldn't be paraffining she couldn't be paraffining we couldn't be paraffining you couldn't be paraffining they couldn't be paraffining
Perfect	V-ing perfect
I couldn't have paraffined you couldn't have paraffined she couldn't have paraffined we couldn't have paraffined you couldn't have paraffined they couldn't have paraffined	I couldn't have been paraffining you couldn't have been paraffining she couldn't have been paraffining we couldn't have been paraffining you couldn't have been paraffining they couldn't have been paraffining

Interrogative form

Simple form	V-ing form
could I paraffin? could you paraffin? could she paraffin? could we paraffin? could you paraffin? could they paraffin?	could I be paraffining? could you be paraffining? could she be paraffining? could we be paraffining? could you be paraffining? could they be paraffining?
Perfect	V-ing perfect
could I have paraffined? could you have paraffined? could she have paraffined? could we have paraffined? could you have paraffined? could they have paraffined?	could I have been paraffining? could you have been paraffining? could she have been paraffining? could we have been paraffining? could you have been paraffining? could they have been paraffining?

Interro-negative form

Simple form	V-ing form
couldn't I paraffin? couldn't you paraffin? couldn't she paraffin? couldn't we paraffin? couldn't you paraffin? couldn't they paraffin?	couldn't I be paraffining? couldn't you be paraffining? couldn't she be paraffining? couldn't we be paraffining? couldn't you be paraffining? couldn't they be paraffining?
Perfect	V-ing perfect
couldn't I have paraffined? couldn't you have paraffined? couldn't she have paraffined? couldn't we have paraffined? couldn't you have paraffined? couldn't they have paraffined?	couldn't I have been paraffining? couldn't you have been paraffining? couldn't she have been paraffining? couldn't we have been paraffining? couldn't you have been paraffining? couldn't they have been paraffining?