must mainstream
Verbo regular: mainstream - mainstreamed- mainstreamed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must mainstream
you must mainstream
she must mainstream
we must mainstream
you must mainstream
they must mainstream 	I must be mainstreaming
you must be mainstreaming
she must be mainstreaming
we must be mainstreaming
you must be mainstreaming
they must be mainstreaming	I must have mainstreamed
you must have mainstreamed
she must have mainstreamed
we must have mainstreamed
you must have mainstreamed
they must have mainstreamed	I must have been mainstreaming
you must have been mainstreaming
she must have been mainstreaming
we must have been mainstreaming
you must have been mainstreaming
they must have been mainstreaming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not mainstream
you must not mainstream
she must not mainstream
we must not mainstream
you must not mainstream
they must not mainstream 	I must not be mainstreaming
you must not be mainstreaming
she must not be mainstreaming
we must not be mainstreaming
you must not be mainstreaming
they must not be mainstreaming	I must not have mainstreamed
you must not have mainstreamed
she must not have mainstreamed
we must not have mainstreamed
you must not have mainstreamed
they must not have mainstreamed	I must not have been mainstreaming
you must not have been mainstreaming
she must not have been mainstreaming
we must not have been mainstreaming
you must not have been mainstreaming
they must not have been mainstreaming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I mainstream?
must you mainstream?
must she mainstream?
must we mainstream?
must you mainstream?
must they mainstream? 	must I be mainstreaming?
must you be mainstreaming?
must she be mainstreaming?
must we be mainstreaming?
must you be mainstreaming?
must they be mainstreaming? 	must I have mainstreamed?
must you have mainstreamed?
must she have mainstreamed?
must we have mainstreamed?
must you have mainstreamed?
must they have mainstreamed? 	must I have been mainstreaming?
must you have been mainstreaming?
must she have been mainstreaming?
must we have been mainstreaming?
must you have been mainstreaming?
must they have been mainstreaming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not mainstream?
must you not mainstream?
must she not mainstream?
must we not mainstream?
must you not mainstream?
must they not mainstream? 	must I not be mainstreaming?
must you not be mainstreaming?
must she not be mainstreaming?
must we not be mainstreaming?
must you not be mainstreaming?
must they not be mainstreaming? 	must I not have mainstreamed?
must you not have mainstreamed?
must she not have mainstreamed?
must we not have mainstreamed?
must you not have mainstreamed?
must they not have mainstreamed? 	must I not have been mainstreaming?
must you not have been mainstreaming?
must she not have been mainstreaming?
must we not have been mainstreaming?
must you not have been mainstreaming?
must they not have been mainstreaming?