English verb conjugation
CAN RUST

Regular verb: rust - rusted - rusted

Affirmation

Simple form	V-ing form
I can rust you can rust she can rust we can rust you can rust they can rust	I can be rusting you can be rusting she can be rusting we can be rusting you can be rusting they can be rusting
Perfect	V-ing perfect
I can have rusted you can have rusted she can have rusted we can have rusted you can have rusted they can have rusted	I can have been rusting you can have been rusting she can have been rusting we can have been rusting you can have been rusting they can have been rusting

Negation

Simple form	V-ing form
I can't rust you can't rust she can't rust we can't rust you can't rust they can't rust	I can't be rusting you can't be rusting she can't be rusting we can't be rusting you can't be rusting they can't be rusting
Perfect	V-ing perfect
I can't have rusted you can't have rusted she can't have rusted we can't have rusted you can't have rusted they can't have rusted	I can't have been rusting you can't have been rusting she can't have been rusting we can't have been rusting you can't have been rusting they can't have been rusting

Interrogative form

Simple form	V-ing form
can I rust? can you rust? can she rust? can we rust? can you rust? can they rust?	can I be rusting? can you be rusting? can she be rusting? can we be rusting? can you be rusting? can they be rusting?
Perfect	V-ing perfect
can I have rusted? can you have rusted? can she have rusted? can we have rusted? can you have rusted? can they have rusted?	can I have been rusting? can you have been rusting? can she have been rusting? can we have been rusting? can you have been rusting? can they have been rusting?

Interro-negative form

Simple form	V-ing form
can't I rust? can't you rust? can't she rust? can't we rust? can't you rust? can't they rust?	can't I be rusting? can't you be rusting? can't she be rusting? can't we be rusting? can't you be rusting? can't they be rusting?
Perfect	V-ing perfect
can't I have rusted? can't you have rusted? can't she have rusted? can't we have rusted? can't you have rusted? can't they have rusted?	can't I have been rusting? can't you have been rusting? can't she have been rusting? can't we have been rusting? can't you have been rusting? can't they have been rusting?