must leak
Verbo regular: leak - leaked- leaked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must leak
you must leak
she must leak
we must leak
you must leak
they must leak 	I must be leaking
you must be leaking
she must be leaking
we must be leaking
you must be leaking
they must be leaking	I must have leaked
you must have leaked
she must have leaked
we must have leaked
you must have leaked
they must have leaked	I must have been leaking
you must have been leaking
she must have been leaking
we must have been leaking
you must have been leaking
they must have been leaking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not leak
you must not leak
she must not leak
we must not leak
you must not leak
they must not leak 	I must not be leaking
you must not be leaking
she must not be leaking
we must not be leaking
you must not be leaking
they must not be leaking	I must not have leaked
you must not have leaked
she must not have leaked
we must not have leaked
you must not have leaked
they must not have leaked	I must not have been leaking
you must not have been leaking
she must not have been leaking
we must not have been leaking
you must not have been leaking
they must not have been leaking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I leak?
must you leak?
must she leak?
must we leak?
must you leak?
must they leak? 	must I be leaking?
must you be leaking?
must she be leaking?
must we be leaking?
must you be leaking?
must they be leaking? 	must I have leaked?
must you have leaked?
must she have leaked?
must we have leaked?
must you have leaked?
must they have leaked? 	must I have been leaking?
must you have been leaking?
must she have been leaking?
must we have been leaking?
must you have been leaking?
must they have been leaking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not leak?
must you not leak?
must she not leak?
must we not leak?
must you not leak?
must they not leak? 	must I not be leaking?
must you not be leaking?
must she not be leaking?
must we not be leaking?
must you not be leaking?
must they not be leaking? 	must I not have leaked?
must you not have leaked?
must she not have leaked?
must we not have leaked?
must you not have leaked?
must they not have leaked? 	must I not have been leaking?
must you not have been leaking?
must she not have been leaking?
must we not have been leaking?
must you not have been leaking?
must they not have been leaking?