English verb conjugation
COULD HOAX

Regular verb: hoax - hoaxed - hoaxed

Affirmation

Simple form	V-ing form
I could hoax you could hoax she could hoax we could hoax you could hoax they could hoax	I could be hoaxing you could be hoaxing she could be hoaxing we could be hoaxing you could be hoaxing they could be hoaxing
Perfect	V-ing perfect
I could have hoaxed you could have hoaxed she could have hoaxed we could have hoaxed you could have hoaxed they could have hoaxed	I could have been hoaxing you could have been hoaxing she could have been hoaxing we could have been hoaxing you could have been hoaxing they could have been hoaxing

Negation

Simple form	V-ing form
I couldn't hoax you couldn't hoax she couldn't hoax we couldn't hoax you couldn't hoax they couldn't hoax	I couldn't be hoaxing you couldn't be hoaxing she couldn't be hoaxing we couldn't be hoaxing you couldn't be hoaxing they couldn't be hoaxing
Perfect	V-ing perfect
I couldn't have hoaxed you couldn't have hoaxed she couldn't have hoaxed we couldn't have hoaxed you couldn't have hoaxed they couldn't have hoaxed	I couldn't have been hoaxing you couldn't have been hoaxing she couldn't have been hoaxing we couldn't have been hoaxing you couldn't have been hoaxing they couldn't have been hoaxing

Interrogative form

Simple form	V-ing form
could I hoax? could you hoax? could she hoax? could we hoax? could you hoax? could they hoax?	could I be hoaxing? could you be hoaxing? could she be hoaxing? could we be hoaxing? could you be hoaxing? could they be hoaxing?
Perfect	V-ing perfect
could I have hoaxed? could you have hoaxed? could she have hoaxed? could we have hoaxed? could you have hoaxed? could they have hoaxed?	could I have been hoaxing? could you have been hoaxing? could she have been hoaxing? could we have been hoaxing? could you have been hoaxing? could they have been hoaxing?

Interro-negative form

Simple form	V-ing form
couldn't I hoax? couldn't you hoax? couldn't she hoax? couldn't we hoax? couldn't you hoax? couldn't they hoax?	couldn't I be hoaxing? couldn't you be hoaxing? couldn't she be hoaxing? couldn't we be hoaxing? couldn't you be hoaxing? couldn't they be hoaxing?
Perfect	V-ing perfect
couldn't I have hoaxed? couldn't you have hoaxed? couldn't she have hoaxed? couldn't we have hoaxed? couldn't you have hoaxed? couldn't they have hoaxed?	couldn't I have been hoaxing? couldn't you have been hoaxing? couldn't she have been hoaxing? couldn't we have been hoaxing? couldn't you have been hoaxing? couldn't they have been hoaxing?