English verb conjugation COULD OBLIGE

Regular verb: oblige - obliged - obliged

Affirmation

Simple form

I could oblige
you could oblige
he could oblige
we could oblige
you could oblige
they could oblige

V-ing form

I could be obliging
you could be obliging
he could be obliging
we could be obliging
you could be obliging
they could be obliging

Perfect

I could have obliged
you could have obliged
he could have obliged
we could have obliged
you could have obliged
they could have obliged

V-ing perfect

I could have been obliging
you could have been obliging
he could have been obliging
we could have been obliging
you could have been obliging
they could have been obliging

Negation

Simple form

I couldn't oblige
you couldn't oblige
he couldn't oblige
we couldn't oblige
you couldn't oblige
they couldn't oblige

V-ing form

I couldn't be obliging
you couldn't be obliging
he couldn't be obliging
we couldn't be obliging
you couldn't be obliging
they couldn't be obliging

Perfect

I couldn't have obliged
you couldn't have obliged
he couldn't have obliged
we couldn't have obliged
you couldn't have obliged
they couldn't have obliged

V-ing perfect

I couldn't have been obliging
you couldn't have been obliging
he couldn't have been obliging
we couldn't have been obliging
you couldn't have been obliging
they couldn't have been obliging

Interrogative form

Simple form

could I oblige?
could you oblige?
could he oblige?
could we oblige?
could you oblige?
could they oblige?

V-ing form

could I be obliging?
could you be obliging?
could he be obliging?
could we be obliging?
could you be obliging?
could they be obliging?

Perfect

could I have obliged?
could you have obliged?
could he have obliged?
could we have obliged?
could you have obliged?
could they have obliged?

V-ing perfect

could I have been obliging?
could you have been obliging?
could he have been obliging?
could we have been obliging?
could you have been obliging?
could they have been obliging?

Interro-negative form

Simple form

couldn't I oblige?
couldn't you oblige?
couldn't he oblige?
couldn't we oblige?
couldn't you oblige?
couldn't they oblige?

V-ing form

couldn't I be obliging?
couldn't you be obliging?
couldn't he be obliging?
couldn't we be obliging?
couldn't you be obliging?
couldn't they be obliging?

Perfect

couldn't I have obliged?
couldn't you have obliged?
couldn't he have obliged?
couldn't we have obliged?
couldn't you have obliged?
couldn't they have obliged?

V-ing perfect

couldn't I have been obliging?
couldn't you have been obliging?
couldn't he have been obliging?
couldn't we have been obliging?
couldn't you have been obliging?
couldn't they have been obliging?

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