English verb conjugation COULD GRATULATE

Regular verb: gratulate - gratulated - gratulated

Affirmation

Simple form

I could gratulate
you could gratulate
she could gratulate
we could gratulate
you could gratulate
they could gratulate

V-ing form

I could be gratulating
you could be gratulating
she could be gratulating
we could be gratulating
you could be gratulating
they could be gratulating

Perfect

I could have gratulated
you could have gratulated
she 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
she 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
she 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
she 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
she 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
she 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 she gratulate?
could we gratulate?
could you gratulate?
could they gratulate?

V-ing form

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

Perfect

could I have gratulated?
could you have gratulated?
could she 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 she 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 she 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 she 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 she 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 she 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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