must stake
Verbo regular: stake - staked- staked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must stake
you must stake
he must stake
we must stake
you must stake
they must stake 	I must be staking
you must be staking
he must be staking
we must be staking
you must be staking
they must be staking	I must have staked
you must have staked
he 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
he must have been staking
we must have been staking
you must have been staking
they must have been staking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not stake
you must not stake
he must not stake
we must not stake
you must not stake
they must not stake 	I must not be staking
you must not be staking
he must not be staking
we must not be staking
you must not be staking
they must not be staking	I must not have staked
you must not have staked
he must not have staked
we must not have staked
you must not have staked
they must not have staked	I must not have been staking
you must not have been staking
he must not have been staking
we must not have been staking
you must not have been staking
they must not have been staking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I stake?
must you stake?
must he stake?
must we stake?
must you stake?
must they stake? 	must I be staking?
must you be staking?
must he be staking?
must we be staking?
must you be staking?
must they be staking? 	must I have staked?
must you have staked?
must he 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 he have been staking?
must we have been staking?
must you have been staking?
must they have been staking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not stake?
must you not stake?
must he not stake?
must we not stake?
must you not stake?
must they not stake? 	must I not be staking?
must you not be staking?
must he not be staking?
must we not be staking?
must you not be staking?
must they not be staking? 	must I not have staked?
must you not have staked?
must he not have staked?
must we not have staked?
must you not have staked?
must they not have staked? 	must I not have been staking?
must you not have been staking?
must he not have been staking?
must we not have been staking?
must you not have been staking?
must they not have been staking?