English verb conjugation CAN VARY

Regular verb: vary - varied - varied

Affirmation

Simple form

I can vary
you can vary
he can vary
we can vary
you can vary
they can vary

V-ing form

I can be varying
you can be varying
he can be varying
we can be varying
you can be varying
they can be varying

Perfect

I can have varied
you can have varied
he can have varied
we can have varied
you can have varied
they can have varied

V-ing perfect

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

Negation

Simple form

I cannot vary
you cannot vary
he cannot vary
we cannot vary
you cannot vary
they cannot vary

V-ing form

I cannot be varying
you cannot be varying
he cannot be varying
we cannot be varying
you cannot be varying
they cannot be varying

Perfect

I cannot have varied
you cannot have varied
he cannot have varied
we cannot have varied
you cannot have varied
they cannot have varied

V-ing perfect

I cannot have been varying
you cannot have been varying
he cannot have been varying
we cannot have been varying
you cannot have been varying
they cannot have been varying

Interrogative form

Simple form

can I vary?
can you vary?
can he vary?
can we vary?
can you vary?
can they vary?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not vary?
can you not vary?
can he not vary?
can we not vary?
can you not vary?
can they not vary?

V-ing form

can I not be varying?
can you not be varying?
can he not be varying?
can we not be varying?
can you not be varying?
can they not be varying?

Perfect

can I not have varied?
can you not have varied?
can he not have varied?
can we not have varied?
can you not have varied?
can they not have varied?

V-ing perfect

can I not have been varying?
can you not have been varying?
can he not have been varying?
can we not have been varying?
can you not have been varying?
can they not have been varying?

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