English verb conjugation
MUST NEST

Regular verb: nest - nested - nested

Affirmation

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

Negation

Simple form	V-ing form
I must not nest you must not nest he must not nest we must not nest you must not nest they must not nest	I must not be nesting you must not be nesting he must not be nesting we must not be nesting you must not be nesting they must not be nesting
Perfect	V-ing perfect
I must not have nested you must not have nested he must not have nested we must not have nested you must not have nested they must not have nested	I must not have been nesting you must not have been nesting he must not have been nesting we must not have been nesting you must not have been nesting they must not have been nesting

Interrogative form

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

Interro-negative form

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