English verb conjugation
MUST STAKE

Regular verb: stake - staked - staked

Affirmation

Simple form	V-ing form
I must stake you must stake she must stake we must stake you must stake they must stake	I must be staking you must be staking she must be staking we must be staking you must be staking they must be staking
Perfect	V-ing perfect
I must have staked you must have staked she must have staked we must have staked you must have staked they must have staked	I must have been staking you must have been staking she must have been staking we must have been staking you must have been staking they must have been staking

Negation

Simple form	V-ing form
I mustn't stake you mustn't stake she mustn't stake we mustn't stake you mustn't stake they mustn't stake	I mustn't be staking you mustn't be staking she mustn't be staking we mustn't be staking you mustn't be staking they mustn't be staking
Perfect	V-ing perfect
I mustn't have staked you mustn't have staked she mustn't have staked we mustn't have staked you mustn't have staked they mustn't have staked	I mustn't have been staking you mustn't have been staking she mustn't have been staking we mustn't have been staking you mustn't have been staking they mustn't have been staking

Interrogative form

Simple form	V-ing form
must I stake? must you stake? must she stake? must we stake? must you stake? must they stake?	must I be staking? must you be staking? must she be staking? must we be staking? must you be staking? must they be staking?
Perfect	V-ing perfect
must I have staked? must you have staked? must she have staked? must we have staked? must you have staked? must they have staked?	must I have been staking? must you have been staking? must she have been staking? must we have been staking? must you have been staking? must they have been staking?

Interro-negative form

Simple form	V-ing form
mustn't I stake? mustn't you stake? mustn't she stake? mustn't we stake? mustn't you stake? mustn't they stake?	mustn't I be staking? mustn't you be staking? mustn't she be staking? mustn't we be staking? mustn't you be staking? mustn't they be staking?
Perfect	V-ing perfect
mustn't I have staked? mustn't you have staked? mustn't she have staked? mustn't we have staked? mustn't you have staked? mustn't they have staked?	mustn't I have been staking? mustn't you have been staking? mustn't she have been staking? mustn't we have been staking? mustn't you have been staking? mustn't they have been staking?