must struggle
Verbo regular: struggle - struggled- struggled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must struggle
you must struggle
he must struggle
we must struggle
you must struggle
they must struggle 	I must be struggling
you must be struggling
he must be struggling
we must be struggling
you must be struggling
they must be struggling	I must have struggled
you must have struggled
he must have struggled
we must have struggled
you must have struggled
they must have struggled	I must have been struggling
you must have been struggling
he must have been struggling
we must have been struggling
you must have been struggling
they must have been struggling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't struggle
you mustn't struggle
he mustn't struggle
we mustn't struggle
you mustn't struggle
they mustn't struggle 	I mustn't be struggling
you mustn't be struggling
he mustn't be struggling
we mustn't be struggling
you mustn't be struggling
they mustn't be struggling	I mustn't have struggled
you mustn't have struggled
he mustn't have struggled
we mustn't have struggled
you mustn't have struggled
they mustn't have struggled	I mustn't have been struggling
you mustn't have been struggling
he mustn't have been struggling
we mustn't have been struggling
you mustn't have been struggling
they mustn't have been struggling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I struggle?
must you struggle?
must he struggle?
must we struggle?
must you struggle?
must they struggle? 	must I be struggling?
must you be struggling?
must he be struggling?
must we be struggling?
must you be struggling?
must they be struggling? 	must I have struggled?
must you have struggled?
must he have struggled?
must we have struggled?
must you have struggled?
must they have struggled? 	must I have been struggling?
must you have been struggling?
must he have been struggling?
must we have been struggling?
must you have been struggling?
must they have been struggling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I struggle?
mustn't you struggle?
mustn't he struggle?
mustn't we struggle?
mustn't you struggle?
mustn't they struggle? 	mustn't I be struggling?
mustn't you be struggling?
mustn't he be struggling?
mustn't we be struggling?
mustn't you be struggling?
mustn't they be struggling? 	mustn't I have struggled?
mustn't you have struggled?
mustn't he have struggled?
mustn't we have struggled?
mustn't you have struggled?
mustn't they have struggled? 	mustn't I have been struggling?
mustn't you have been struggling?
mustn't he have been struggling?
mustn't we have been struggling?
mustn't you have been struggling?
mustn't they have been struggling?