must thatch
Verbo regular: thatch - thatched- thatched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must thatch
you must thatch
he must thatch
we must thatch
you must thatch
they must thatch 	I must be thatching
you must be thatching
he must be thatching
we must be thatching
you must be thatching
they must be thatching	I must have thatched
you must have thatched
he must have thatched
we must have thatched
you must have thatched
they must have thatched	I must have been thatching
you must have been thatching
he must have been thatching
we must have been thatching
you must have been thatching
they must have been thatching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't thatch
you mustn't thatch
he mustn't thatch
we mustn't thatch
you mustn't thatch
they mustn't thatch 	I mustn't be thatching
you mustn't be thatching
he mustn't be thatching
we mustn't be thatching
you mustn't be thatching
they mustn't be thatching	I mustn't have thatched
you mustn't have thatched
he mustn't have thatched
we mustn't have thatched
you mustn't have thatched
they mustn't have thatched	I mustn't have been thatching
you mustn't have been thatching
he mustn't have been thatching
we mustn't have been thatching
you mustn't have been thatching
they mustn't have been thatching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I thatch?
must you thatch?
must he thatch?
must we thatch?
must you thatch?
must they thatch? 	must I be thatching?
must you be thatching?
must he be thatching?
must we be thatching?
must you be thatching?
must they be thatching? 	must I have thatched?
must you have thatched?
must he have thatched?
must we have thatched?
must you have thatched?
must they have thatched? 	must I have been thatching?
must you have been thatching?
must he have been thatching?
must we have been thatching?
must you have been thatching?
must they have been thatching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I thatch?
mustn't you thatch?
mustn't he thatch?
mustn't we thatch?
mustn't you thatch?
mustn't they thatch? 	mustn't I be thatching?
mustn't you be thatching?
mustn't he be thatching?
mustn't we be thatching?
mustn't you be thatching?
mustn't they be thatching? 	mustn't I have thatched?
mustn't you have thatched?
mustn't he have thatched?
mustn't we have thatched?
mustn't you have thatched?
mustn't they have thatched? 	mustn't I have been thatching?
mustn't you have been thatching?
mustn't he have been thatching?
mustn't we have been thatching?
mustn't you have been thatching?
mustn't they have been thatching?