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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD ADVERTISE

Regular verb: advertise - advertised - advertised


Affirmation

Simple form
I could advertise
you could advertise
he could advertise
we could advertise
you could advertise
they could advertise
V-ing form
I could be advertising
you could be advertising
he could be advertising
we could be advertising
you could be advertising
they could be advertising
Perfect
I could have advertised
you could have advertised
he could have advertised
we could have advertised
you could have advertised
they could have advertised
V-ing perfect
I could have been advertising
you could have been advertising
he could have been advertising
we could have been advertising
you could have been advertising
they could have been advertising

Negation

Simple form
I couldn't advertise
you couldn't advertise
he couldn't advertise
we couldn't advertise
you couldn't advertise
they couldn't advertise
V-ing form
I couldn't be advertising
you couldn't be advertising
he couldn't be advertising
we couldn't be advertising
you couldn't be advertising
they couldn't be advertising
Perfect
I couldn't have advertised
you couldn't have advertised
he couldn't have advertised
we couldn't have advertised
you couldn't have advertised
they couldn't have advertised
V-ing perfect
I couldn't have been advertising
you couldn't have been advertising
he couldn't have been advertising
we couldn't have been advertising
you couldn't have been advertising
they couldn't have been advertising

Interrogative form

Simple form
could I advertise?
could you advertise?
could he advertise?
could we advertise?
could you advertise?
could they advertise?
V-ing form
could I be advertising?
could you be advertising?
could he be advertising?
could we be advertising?
could you be advertising?
could they be advertising?
Perfect
could I have advertised?
could you have advertised?
could he have advertised?
could we have advertised?
could you have advertised?
could they have advertised?
V-ing perfect
could I have been advertising?
could you have been advertising?
could he have been advertising?
could we have been advertising?
could you have been advertising?
could they have been advertising?

Interro-negative form

Simple form
couldn't I advertise?
couldn't you advertise?
couldn't he advertise?
couldn't we advertise?
couldn't you advertise?
couldn't they advertise?
V-ing form
couldn't I be advertising?
couldn't you be advertising?
couldn't he be advertising?
couldn't we be advertising?
couldn't you be advertising?
couldn't they be advertising?
Perfect
couldn't I have advertised?
couldn't you have advertised?
couldn't he have advertised?
couldn't we have advertised?
couldn't you have advertised?
couldn't they have advertised?
V-ing perfect
couldn't I have been advertising?
couldn't you have been advertising?
couldn't he have been advertising?
couldn't we have been advertising?
couldn't you have been advertising?
couldn't they have been advertising?