must trigger
Regular verb: trigger - triggered- triggered

Affirmation 	
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I must trigger
you must trigger
she must trigger
we must trigger
you must trigger
they must trigger 	I must be triggering
you must be triggering
she must be triggering
we must be triggering
you must be triggering
they must be triggering	I must have triggered
you must have triggered
she must have triggered
we must have triggered
you must have triggered
they must have triggered	I must have been triggering
you must have been triggering
she must have been triggering
we must have been triggering
you must have been triggering
they must have been triggering	

Negation 	
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I must not trigger
you must not trigger
she must not trigger
we must not trigger
you must not trigger
they must not trigger 	I must not be triggering
you must not be triggering
she must not be triggering
we must not be triggering
you must not be triggering
they must not be triggering	I must not have triggered
you must not have triggered
she must not have triggered
we must not have triggered
you must not have triggered
they must not have triggered	I must not have been triggering
you must not have been triggering
she must not have been triggering
we must not have been triggering
you must not have been triggering
they must not have been triggering	

Interrogative form 	
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must I trigger?
must you trigger?
must she trigger?
must we trigger?
must you trigger?
must they trigger? 	must I be triggering?
must you be triggering?
must she be triggering?
must we be triggering?
must you be triggering?
must they be triggering? 	must I have triggered?
must you have triggered?
must she have triggered?
must we have triggered?
must you have triggered?
must they have triggered? 	must I have been triggering?
must you have been triggering?
must she have been triggering?
must we have been triggering?
must you have been triggering?
must they have been triggering? 	

Interro-negative form 	
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must I not trigger?
must you not trigger?
must she not trigger?
must we not trigger?
must you not trigger?
must they not trigger? 	must I not be triggering?
must you not be triggering?
must she not be triggering?
must we not be triggering?
must you not be triggering?
must they not be triggering? 	must I not have triggered?
must you not have triggered?
must she not have triggered?
must we not have triggered?
must you not have triggered?
must they not have triggered? 	must I not have been triggering?
must you not have been triggering?
must she not have been triggering?
must we not have been triggering?
must you not have been triggering?
must they not have been triggering?