English verb conjugation
MUST WEATHER

Regular verb: weather - weathered - weathered

Affirmation

Simple form	V-ing form
I must weather you must weather he must weather we must weather you must weather they must weather	I must be weathering you must be weathering he must be weathering we must be weathering you must be weathering they must be weathering
Perfect	V-ing perfect
I must have weathered you must have weathered he must have weathered we must have weathered you must have weathered they must have weathered	I must have been weathering you must have been weathering he must have been weathering we must have been weathering you must have been weathering they must have been weathering

Negation

Simple form	V-ing form
I must not weather you must not weather he must not weather we must not weather you must not weather they must not weather	I must not be weathering you must not be weathering he must not be weathering we must not be weathering you must not be weathering they must not be weathering
Perfect	V-ing perfect
I must not have weathered you must not have weathered he must not have weathered we must not have weathered you must not have weathered they must not have weathered	I must not have been weathering you must not have been weathering he must not have been weathering we must not have been weathering you must not have been weathering they must not have been weathering

Interrogative form

Simple form	V-ing form
must I weather? must you weather? must he weather? must we weather? must you weather? must they weather?	must I be weathering? must you be weathering? must he be weathering? must we be weathering? must you be weathering? must they be weathering?
Perfect	V-ing perfect
must I have weathered? must you have weathered? must he have weathered? must we have weathered? must you have weathered? must they have weathered?	must I have been weathering? must you have been weathering? must he have been weathering? must we have been weathering? must you have been weathering? must they have been weathering?

Interro-negative form

Simple form	V-ing form
must I not weather? must you not weather? must he not weather? must we not weather? must you not weather? must they not weather?	must I not be weathering? must you not be weathering? must he not be weathering? must we not be weathering? must you not be weathering? must they not be weathering?
Perfect	V-ing perfect
must I not have weathered? must you not have weathered? must he not have weathered? must we not have weathered? must you not have weathered? must they not have weathered?	must I not have been weathering? must you not have been weathering? must he not have been weathering? must we not have been weathering? must you not have been weathering? must they not have been weathering?