must escalate
Verbo regular: escalate - escalated- escalated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must escalate
you must escalate
he must escalate
we must escalate
you must escalate
they must escalate 	I must be escalating
you must be escalating
he must be escalating
we must be escalating
you must be escalating
they must be escalating	I must have escalated
you must have escalated
he must have escalated
we must have escalated
you must have escalated
they must have escalated	I must have been escalating
you must have been escalating
he must have been escalating
we must have been escalating
you must have been escalating
they must have been escalating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't escalate
you mustn't escalate
he mustn't escalate
we mustn't escalate
you mustn't escalate
they mustn't escalate 	I mustn't be escalating
you mustn't be escalating
he mustn't be escalating
we mustn't be escalating
you mustn't be escalating
they mustn't be escalating	I mustn't have escalated
you mustn't have escalated
he mustn't have escalated
we mustn't have escalated
you mustn't have escalated
they mustn't have escalated	I mustn't have been escalating
you mustn't have been escalating
he mustn't have been escalating
we mustn't have been escalating
you mustn't have been escalating
they mustn't have been escalating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I escalate?
must you escalate?
must he escalate?
must we escalate?
must you escalate?
must they escalate? 	must I be escalating?
must you be escalating?
must he be escalating?
must we be escalating?
must you be escalating?
must they be escalating? 	must I have escalated?
must you have escalated?
must he have escalated?
must we have escalated?
must you have escalated?
must they have escalated? 	must I have been escalating?
must you have been escalating?
must he have been escalating?
must we have been escalating?
must you have been escalating?
must they have been escalating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I escalate?
mustn't you escalate?
mustn't he escalate?
mustn't we escalate?
mustn't you escalate?
mustn't they escalate? 	mustn't I be escalating?
mustn't you be escalating?
mustn't he be escalating?
mustn't we be escalating?
mustn't you be escalating?
mustn't they be escalating? 	mustn't I have escalated?
mustn't you have escalated?
mustn't he have escalated?
mustn't we have escalated?
mustn't you have escalated?
mustn't they have escalated? 	mustn't I have been escalating?
mustn't you have been escalating?
mustn't he have been escalating?
mustn't we have been escalating?
mustn't you have been escalating?
mustn't they have been escalating?