must undermine
Verbo regolare: undermine - undermined- undermined

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must undermine
you must undermine
she must undermine
we must undermine
you must undermine
they must undermine 	I must be undermining
you must be undermining
she must be undermining
we must be undermining
you must be undermining
they must be undermining	I must have undermined
you must have undermined
she must have undermined
we must have undermined
you must have undermined
they must have undermined	I must have been undermining
you must have been undermining
she must have been undermining
we must have been undermining
you must have been undermining
they must have been undermining	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not undermine
you must not undermine
she must not undermine
we must not undermine
you must not undermine
they must not undermine 	I must not be undermining
you must not be undermining
she must not be undermining
we must not be undermining
you must not be undermining
they must not be undermining	I must not have undermined
you must not have undermined
she must not have undermined
we must not have undermined
you must not have undermined
they must not have undermined	I must not have been undermining
you must not have been undermining
she must not have been undermining
we must not have been undermining
you must not have been undermining
they must not have been undermining	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I undermine?
must you undermine?
must she undermine?
must we undermine?
must you undermine?
must they undermine? 	must I be undermining?
must you be undermining?
must she be undermining?
must we be undermining?
must you be undermining?
must they be undermining? 	must I have undermined?
must you have undermined?
must she have undermined?
must we have undermined?
must you have undermined?
must they have undermined? 	must I have been undermining?
must you have been undermining?
must she have been undermining?
must we have been undermining?
must you have been undermining?
must they have been undermining? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not undermine?
must you not undermine?
must she not undermine?
must we not undermine?
must you not undermine?
must they not undermine? 	must I not be undermining?
must you not be undermining?
must she not be undermining?
must we not be undermining?
must you not be undermining?
must they not be undermining? 	must I not have undermined?
must you not have undermined?
must she not have undermined?
must we not have undermined?
must you not have undermined?
must they not have undermined? 	must I not have been undermining?
must you not have been undermining?
must she not have been undermining?
must we not have been undermining?
must you not have been undermining?
must they not have been undermining?