English verb conjugation
CAN NEST

Regular verb: nest - nested - nested

Affirmation

Simple form	V-ing form
I can nest you can nest she can nest we can nest you can nest they can nest	I can be nesting you can be nesting she can be nesting we can be nesting you can be nesting they can be nesting
Perfect	V-ing perfect
I can have nested you can have nested she can have nested we can have nested you can have nested they can have nested	I can have been nesting you can have been nesting she can have been nesting we can have been nesting you can have been nesting they can have been nesting

Negation

Simple form	V-ing form
I cannot nest you cannot nest she cannot nest we cannot nest you cannot nest they cannot nest	I cannot be nesting you cannot be nesting she cannot be nesting we cannot be nesting you cannot be nesting they cannot be nesting
Perfect	V-ing perfect
I cannot have nested you cannot have nested she cannot have nested we cannot have nested you cannot have nested they cannot have nested	I cannot have been nesting you cannot have been nesting she cannot have been nesting we cannot have been nesting you cannot have been nesting they cannot have been nesting

Interrogative form

Simple form	V-ing form
can I nest? can you nest? can she nest? can we nest? can you nest? can they nest?	can I be nesting? can you be nesting? can she be nesting? can we be nesting? can you be nesting? can they be nesting?
Perfect	V-ing perfect
can I have nested? can you have nested? can she have nested? can we have nested? can you have nested? can they have nested?	can I have been nesting? can you have been nesting? can she have been nesting? can we have been nesting? can you have been nesting? can they have been nesting?

Interro-negative form

Simple form	V-ing form
can I not nest? can you not nest? can she not nest? can we not nest? can you not nest? can they not nest?	can I not be nesting? can you not be nesting? can she not be nesting? can we not be nesting? can you not be nesting? can they not be nesting?
Perfect	V-ing perfect
can I not have nested? can you not have nested? can she not have nested? can we not have nested? can you not have nested? can they not have nested?	can I not have been nesting? can you not have been nesting? can she not have been nesting? can we not have been nesting? can you not have been nesting? can they not have been nesting?