English verb conjugation
MUST RATCHET

Regular verb: ratchet - ratcheted - ratcheted

Affirmation

Simple form	V-ing form
I must ratchet you must ratchet he must ratchet we must ratchet you must ratchet they must ratchet	I must be ratcheting you must be ratcheting he must be ratcheting we must be ratcheting you must be ratcheting they must be ratcheting
Perfect	V-ing perfect
I must have ratcheted you must have ratcheted he must have ratcheted we must have ratcheted you must have ratcheted they must have ratcheted	I must have been ratcheting you must have been ratcheting he must have been ratcheting we must have been ratcheting you must have been ratcheting they must have been ratcheting

Negation

Simple form	V-ing form
I mustn't ratchet you mustn't ratchet he mustn't ratchet we mustn't ratchet you mustn't ratchet they mustn't ratchet	I mustn't be ratcheting you mustn't be ratcheting he mustn't be ratcheting we mustn't be ratcheting you mustn't be ratcheting they mustn't be ratcheting
Perfect	V-ing perfect
I mustn't have ratcheted you mustn't have ratcheted he mustn't have ratcheted we mustn't have ratcheted you mustn't have ratcheted they mustn't have ratcheted	I mustn't have been ratcheting you mustn't have been ratcheting he mustn't have been ratcheting we mustn't have been ratcheting you mustn't have been ratcheting they mustn't have been ratcheting

Interrogative form

Simple form	V-ing form
must I ratchet? must you ratchet? must he ratchet? must we ratchet? must you ratchet? must they ratchet?	must I be ratcheting? must you be ratcheting? must he be ratcheting? must we be ratcheting? must you be ratcheting? must they be ratcheting?
Perfect	V-ing perfect
must I have ratcheted? must you have ratcheted? must he have ratcheted? must we have ratcheted? must you have ratcheted? must they have ratcheted?	must I have been ratcheting? must you have been ratcheting? must he have been ratcheting? must we have been ratcheting? must you have been ratcheting? must they have been ratcheting?

Interro-negative form

Simple form	V-ing form
mustn't I ratchet? mustn't you ratchet? mustn't he ratchet? mustn't we ratchet? mustn't you ratchet? mustn't they ratchet?	mustn't I be ratcheting? mustn't you be ratcheting? mustn't he be ratcheting? mustn't we be ratcheting? mustn't you be ratcheting? mustn't they be ratcheting?
Perfect	V-ing perfect
mustn't I have ratcheted? mustn't you have ratcheted? mustn't he have ratcheted? mustn't we have ratcheted? mustn't you have ratcheted? mustn't they have ratcheted?	mustn't I have been ratcheting? mustn't you have been ratcheting? mustn't he have been ratcheting? mustn't we have been ratcheting? mustn't you have been ratcheting? mustn't they have been ratcheting?