must lek
Verbe régulier : lek - leked- leked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lek
you must lek
she must lek
we must lek
you must lek
they must lek 	I must be leking
you must be leking
she must be leking
we must be leking
you must be leking
they must be leking	I must have leked
you must have leked
she must have leked
we must have leked
you must have leked
they must have leked	I must have been leking
you must have been leking
she must have been leking
we must have been leking
you must have been leking
they must have been leking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not lek
you must not lek
she must not lek
we must not lek
you must not lek
they must not lek 	I must not be leking
you must not be leking
she must not be leking
we must not be leking
you must not be leking
they must not be leking	I must not have leked
you must not have leked
she must not have leked
we must not have leked
you must not have leked
they must not have leked	I must not have been leking
you must not have been leking
she must not have been leking
we must not have been leking
you must not have been leking
they must not have been leking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lek?
must you lek?
must she lek?
must we lek?
must you lek?
must they lek? 	must I be leking?
must you be leking?
must she be leking?
must we be leking?
must you be leking?
must they be leking? 	must I have leked?
must you have leked?
must she have leked?
must we have leked?
must you have leked?
must they have leked? 	must I have been leking?
must you have been leking?
must she have been leking?
must we have been leking?
must you have been leking?
must they have been leking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not lek?
must you not lek?
must she not lek?
must we not lek?
must you not lek?
must they not lek? 	must I not be leking?
must you not be leking?
must she not be leking?
must we not be leking?
must you not be leking?
must they not be leking? 	must I not have leked?
must you not have leked?
must she not have leked?
must we not have leked?
must you not have leked?
must they not have leked? 	must I not have been leking?
must you not have been leking?
must she not have been leking?
must we not have been leking?
must you not have been leking?
must they not have been leking?