English verb conjugation COULD GRATULATE

Regular verb: gratulate - gratulated - gratulated

Affirmation

Simple form

I could gratulate
you could gratulate
he could gratulate
we could gratulate
you could gratulate
they could gratulate

V-ing form

I could be gratulating
you could be gratulating
he could be gratulating
we could be gratulating
you could be gratulating
they could be gratulating

Perfect

I could have gratulated
you could have gratulated
he could have gratulated
we could have gratulated
you could have gratulated
they could have gratulated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gratulate?
could you gratulate?
could he gratulate?
could we gratulate?
could you gratulate?
could they gratulate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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