English verb conjugation
COULD OFFîCEII

Regular verb: offîceii - offîceiied - offîceiied

Affirmation

Simple form	V-ing form
I could offîceii you could offîceii he could offîceii we could offîceii you could offîceii they could offîceii	I could be offîceiiing you could be offîceiiing he could be offîceiiing we could be offîceiiing you could be offîceiiing they could be offîceiiing
Perfect	V-ing perfect
I could have offîceiied you could have offîceiied he could have offîceiied we could have offîceiied you could have offîceiied they could have offîceiied	I could have been offîceiiing you could have been offîceiiing he could have been offîceiiing we could have been offîceiiing you could have been offîceiiing they could have been offîceiiing

Negation

Simple form	V-ing form
I couldn't offîceii you couldn't offîceii he couldn't offîceii we couldn't offîceii you couldn't offîceii they couldn't offîceii	I couldn't be offîceiiing you couldn't be offîceiiing he couldn't be offîceiiing we couldn't be offîceiiing you couldn't be offîceiiing they couldn't be offîceiiing
Perfect	V-ing perfect
I couldn't have offîceiied you couldn't have offîceiied he couldn't have offîceiied we couldn't have offîceiied you couldn't have offîceiied they couldn't have offîceiied	I couldn't have been offîceiiing you couldn't have been offîceiiing he couldn't have been offîceiiing we couldn't have been offîceiiing you couldn't have been offîceiiing they couldn't have been offîceiiing

Interrogative form

Simple form	V-ing form
could I offîceii? could you offîceii? could he offîceii? could we offîceii? could you offîceii? could they offîceii?	could I be offîceiiing? could you be offîceiiing? could he be offîceiiing? could we be offîceiiing? could you be offîceiiing? could they be offîceiiing?
Perfect	V-ing perfect
could I have offîceiied? could you have offîceiied? could he have offîceiied? could we have offîceiied? could you have offîceiied? could they have offîceiied?	could I have been offîceiiing? could you have been offîceiiing? could he have been offîceiiing? could we have been offîceiiing? could you have been offîceiiing? could they have been offîceiiing?

Interro-negative form

Simple form	V-ing form
couldn't I offîceii? couldn't you offîceii? couldn't he offîceii? couldn't we offîceii? couldn't you offîceii? couldn't they offîceii?	couldn't I be offîceiiing? couldn't you be offîceiiing? couldn't he be offîceiiing? couldn't we be offîceiiing? couldn't you be offîceiiing? couldn't they be offîceiiing?
Perfect	V-ing perfect
couldn't I have offîceiied? couldn't you have offîceiied? couldn't he have offîceiied? couldn't we have offîceiied? couldn't you have offîceiied? couldn't they have offîceiied?	couldn't I have been offîceiiing? couldn't you have been offîceiiing? couldn't he have been offîceiiing? couldn't we have been offîceiiing? couldn't you have been offîceiiing? couldn't they have been offîceiiing?