must tessellate
Verbo regular: tessellate - tessellated- tessellated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must tessellate
you must tessellate
he must tessellate
we must tessellate
you must tessellate
they must tessellate 	I must be tessellating
you must be tessellating
he must be tessellating
we must be tessellating
you must be tessellating
they must be tessellating	I must have tessellated
you must have tessellated
he must have tessellated
we must have tessellated
you must have tessellated
they must have tessellated	I must have been tessellating
you must have been tessellating
he must have been tessellating
we must have been tessellating
you must have been tessellating
they must have been tessellating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't tessellate
you mustn't tessellate
he mustn't tessellate
we mustn't tessellate
you mustn't tessellate
they mustn't tessellate 	I mustn't be tessellating
you mustn't be tessellating
he mustn't be tessellating
we mustn't be tessellating
you mustn't be tessellating
they mustn't be tessellating	I mustn't have tessellated
you mustn't have tessellated
he mustn't have tessellated
we mustn't have tessellated
you mustn't have tessellated
they mustn't have tessellated	I mustn't have been tessellating
you mustn't have been tessellating
he mustn't have been tessellating
we mustn't have been tessellating
you mustn't have been tessellating
they mustn't have been tessellating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I tessellate?
must you tessellate?
must he tessellate?
must we tessellate?
must you tessellate?
must they tessellate? 	must I be tessellating?
must you be tessellating?
must he be tessellating?
must we be tessellating?
must you be tessellating?
must they be tessellating? 	must I have tessellated?
must you have tessellated?
must he have tessellated?
must we have tessellated?
must you have tessellated?
must they have tessellated? 	must I have been tessellating?
must you have been tessellating?
must he have been tessellating?
must we have been tessellating?
must you have been tessellating?
must they have been tessellating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I tessellate?
mustn't you tessellate?
mustn't he tessellate?
mustn't we tessellate?
mustn't you tessellate?
mustn't they tessellate? 	mustn't I be tessellating?
mustn't you be tessellating?
mustn't he be tessellating?
mustn't we be tessellating?
mustn't you be tessellating?
mustn't they be tessellating? 	mustn't I have tessellated?
mustn't you have tessellated?
mustn't he have tessellated?
mustn't we have tessellated?
mustn't you have tessellated?
mustn't they have tessellated? 	mustn't I have been tessellating?
mustn't you have been tessellating?
mustn't he have been tessellating?
mustn't we have been tessellating?
mustn't you have been tessellating?
mustn't they have been tessellating?