The Conjugator
English verb conjugation
CAN CONGRATULATE

Regular verb: congratulate - congratulated - congratulated

Affirmation

Simple form

V-ing form

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

V-ing 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
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

V-ing form

I cannot congratulate
you cannot congratulate
he cannot congratulate
we cannot congratulate
you cannot congratulate
they cannot congratulate
I cannot be congratulating
you cannot be congratulating
he cannot be congratulating
we cannot be congratulating
you cannot be congratulating
they cannot be congratulating

Perfect

V-ing perfect

I cannot have congratulated
you cannot have congratulated
he cannot have congratulated
we cannot have congratulated
you cannot have congratulated
they cannot have congratulated
I cannot have been congratulating
you cannot have been congratulating
he cannot have been congratulating
we cannot have been congratulating
you cannot have been congratulating
they cannot have been congratulating

Interrogative form

Simple form

V-ing form

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

V-ing 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?
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

V-ing form

can I not congratulate?
can you not congratulate?
can he not congratulate?
can we not congratulate?
can you not congratulate?
can they not congratulate?
can I not be congratulating?
can you not be congratulating?
can he not be congratulating?
can we not be congratulating?
can you not be congratulating?
can they not be congratulating?

Perfect

V-ing perfect

can I not have congratulated?
can you not have congratulated?
can he not have congratulated?
can we not have congratulated?
can you not have congratulated?
can they not have congratulated?
can I not have been congratulating?
can you not have been congratulating?
can he not have been congratulating?
can we not have been congratulating?
can you not have been congratulating?
can they not have been congratulating?