English verb conjugation
MUST CARBURET

Regular verb: carburet - carbureted - carbureted

Affirmation

Simple form	V-ing form
I must carburet you must carburet she must carburet we must carburet you must carburet they must carburet	I must be carbureting you must be carbureting she must be carbureting we must be carbureting you must be carbureting they must be carbureting
Perfect	V-ing perfect
I must have carbureted you must have carbureted she must have carbureted we must have carbureted you must have carbureted they must have carbureted	I must have been carbureting you must have been carbureting she must have been carbureting we must have been carbureting you must have been carbureting they must have been carbureting

Negation

Simple form	V-ing form
I must not carburet you must not carburet she must not carburet we must not carburet you must not carburet they must not carburet	I must not be carbureting you must not be carbureting she must not be carbureting we must not be carbureting you must not be carbureting they must not be carbureting
Perfect	V-ing perfect
I must not have carbureted you must not have carbureted she must not have carbureted we must not have carbureted you must not have carbureted they must not have carbureted	I must not have been carbureting you must not have been carbureting she must not have been carbureting we must not have been carbureting you must not have been carbureting they must not have been carbureting

Interrogative form

Simple form	V-ing form
must I carburet? must you carburet? must she carburet? must we carburet? must you carburet? must they carburet?	must I be carbureting? must you be carbureting? must she be carbureting? must we be carbureting? must you be carbureting? must they be carbureting?
Perfect	V-ing perfect
must I have carbureted? must you have carbureted? must she have carbureted? must we have carbureted? must you have carbureted? must they have carbureted?	must I have been carbureting? must you have been carbureting? must she have been carbureting? must we have been carbureting? must you have been carbureting? must they have been carbureting?

Interro-negative form

Simple form	V-ing form
must I not carburet? must you not carburet? must she not carburet? must we not carburet? must you not carburet? must they not carburet?	must I not be carbureting? must you not be carbureting? must she not be carbureting? must we not be carbureting? must you not be carbureting? must they not be carbureting?
Perfect	V-ing perfect
must I not have carbureted? must you not have carbureted? must she not have carbureted? must we not have carbureted? must you not have carbureted? must they not have carbureted?	must I not have been carbureting? must you not have been carbureting? must she not have been carbureting? must we not have been carbureting? must you not have been carbureting? must they not have been carbureting?