English verb conjugation CAN CONGRATULATE

Regular verb: congratulate - congratulated - congratulated

Affirmation

Simple form

I can congratulate
you can congratulate
he can congratulate
we can congratulate
you can congratulate
they can congratulate

V-ing form

I can be congratulating
you can be congratulating
he can be congratulating
we can be congratulating
you can be congratulating
they can be congratulating

Perfect

I can have congratulated
you can have congratulated
he can have congratulated
we can have congratulated
you can have congratulated
they can have congratulated

V-ing perfect

I can have been congratulating
you can have been congratulating
he can have been congratulating
we can have been congratulating
you can have been congratulating
they can have been congratulating

Negation

Simple form

I can't congratulate
you can't congratulate
he can't congratulate
we can't congratulate
you can't congratulate
they can't congratulate

V-ing form

I can't be congratulating
you can't be congratulating
he can't be congratulating
we can't be congratulating
you can't be congratulating
they can't be congratulating

Perfect

I can't have congratulated
you can't have congratulated
he can't have congratulated
we can't have congratulated
you can't have congratulated
they can't have congratulated

V-ing perfect

I can't have been congratulating
you can't have been congratulating
he can't have been congratulating
we can't have been congratulating
you can't have been congratulating
they can't have been congratulating

Interrogative form

Simple form

can I congratulate?
can you congratulate?
can he congratulate?
can we congratulate?
can you congratulate?
can they congratulate?

V-ing form

can I be congratulating?
can you be congratulating?
can he be congratulating?
can we be congratulating?
can you be congratulating?
can they be congratulating?

Perfect

can I have congratulated?
can you have congratulated?
can he have congratulated?
can we have congratulated?
can you have congratulated?
can they have congratulated?

V-ing perfect

can I have been congratulating?
can you have been congratulating?
can he have been congratulating?
can we have been congratulating?
can you have been congratulating?
can they have been congratulating?

Interro-negative form

Simple form

can't I congratulate?
can't you congratulate?
can't he congratulate?
can't we congratulate?
can't you congratulate?
can't they congratulate?

V-ing form

can't I be congratulating?
can't you be congratulating?
can't he be congratulating?
can't we be congratulating?
can't you be congratulating?
can't they be congratulating?

Perfect

can't I have congratulated?
can't you have congratulated?
can't he have congratulated?
can't we have congratulated?
can't you have congratulated?
can't they have congratulated?

V-ing perfect

can't I have been congratulating?
can't you have been congratulating?
can't he have been congratulating?
can't we have been congratulating?
can't you have been congratulating?
can't they have been congratulating?

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