must squander
Regular verb: squander - squandered- squandered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must squander
you must squander
she must squander
we must squander
you must squander
they must squander 	I must be squandering
you must be squandering
she must be squandering
we must be squandering
you must be squandering
they must be squandering	I must have squandered
you must have squandered
she must have squandered
we must have squandered
you must have squandered
they must have squandered	I must have been squandering
you must have been squandering
she must have been squandering
we must have been squandering
you must have been squandering
they must have been squandering	

Negation 	
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I mustn't squander
you mustn't squander
she mustn't squander
we mustn't squander
you mustn't squander
they mustn't squander 	I mustn't be squandering
you mustn't be squandering
she mustn't be squandering
we mustn't be squandering
you mustn't be squandering
they mustn't be squandering	I mustn't have squandered
you mustn't have squandered
she mustn't have squandered
we mustn't have squandered
you mustn't have squandered
they mustn't have squandered	I mustn't have been squandering
you mustn't have been squandering
she mustn't have been squandering
we mustn't have been squandering
you mustn't have been squandering
they mustn't have been squandering	

Interrogative form 	
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must I squander?
must you squander?
must she squander?
must we squander?
must you squander?
must they squander? 	must I be squandering?
must you be squandering?
must she be squandering?
must we be squandering?
must you be squandering?
must they be squandering? 	must I have squandered?
must you have squandered?
must she have squandered?
must we have squandered?
must you have squandered?
must they have squandered? 	must I have been squandering?
must you have been squandering?
must she have been squandering?
must we have been squandering?
must you have been squandering?
must they have been squandering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I squander?
mustn't you squander?
mustn't she squander?
mustn't we squander?
mustn't you squander?
mustn't they squander? 	mustn't I be squandering?
mustn't you be squandering?
mustn't she be squandering?
mustn't we be squandering?
mustn't you be squandering?
mustn't they be squandering? 	mustn't I have squandered?
mustn't you have squandered?
mustn't she have squandered?
mustn't we have squandered?
mustn't you have squandered?
mustn't they have squandered? 	mustn't I have been squandering?
mustn't you have been squandering?
mustn't she have been squandering?
mustn't we have been squandering?
mustn't you have been squandering?
mustn't they have been squandering?