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

English verb conjugation COULD CONGRATULATE

Regular verb: congratulate - congratulated - congratulated


Affirmation

Simple form
I could congratulate
you could congratulate
he could congratulate
we could congratulate
you could congratulate
they could congratulate
V-ing form
I could be congratulating
you could be congratulating
he could be congratulating
we could be congratulating
you could be congratulating
they could be congratulating
Perfect
I could have congratulated
you could have congratulated
he could have congratulated
we could have congratulated
you could have congratulated
they could have congratulated
V-ing perfect
I could have been congratulating
you could have been congratulating
he could have been congratulating
we could have been congratulating
you could have been congratulating
they could have been congratulating

Negation

Simple form
I could not congratulate
you could not congratulate
he could not congratulate
we could not congratulate
you could not congratulate
they could not congratulate
V-ing form
I could not be congratulating
you could not be congratulating
he could not be congratulating
we could not be congratulating
you could not be congratulating
they could not be congratulating
Perfect
I could not have congratulated
you could not have congratulated
he could not have congratulated
we could not have congratulated
you could not have congratulated
they could not have congratulated
V-ing perfect
I could not have been congratulating
you could not have been congratulating
he could not have been congratulating
we could not have been congratulating
you could not have been congratulating
they could not have been congratulating

Interrogative form

Simple form
could I congratulate?
could you congratulate?
could he congratulate?
could we congratulate?
could you congratulate?
could they congratulate?
V-ing form
could I be congratulating?
could you be congratulating?
could he be congratulating?
could we be congratulating?
could you be congratulating?
could they be congratulating?
Perfect
could I have congratulated?
could you have congratulated?
could he have congratulated?
could we have congratulated?
could you have congratulated?
could they have congratulated?
V-ing perfect
could I have been congratulating?
could you have been congratulating?
could he have been congratulating?
could we have been congratulating?
could you have been congratulating?
could they have been congratulating?

Interro-negative form

Simple form
could I not congratulate?
could you not congratulate?
could he not congratulate?
could we not congratulate?
could you not congratulate?
could they not congratulate?
V-ing form
could I not be congratulating?
could you not be congratulating?
could he not be congratulating?
could we not be congratulating?
could you not be congratulating?
could they not be congratulating?
Perfect
could I not have congratulated?
could you not have congratulated?
could he not have congratulated?
could we not have congratulated?
could you not have congratulated?
could they not have congratulated?
V-ing perfect
could I not have been congratulating?
could you not have been congratulating?
could he not have been congratulating?
could we not have been congratulating?
could you not have been congratulating?
could they not have been congratulating?