can nest
Regular verb: nest - nested- nested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?