Conjugación del verbo inglés
MUST BACKSTITCH

Verbo regular: backstitch - backstitched - backstitched

Afirmación

Forma simple	Forma con V-ing
I must backstitch you must backstitch she must backstitch we must backstitch you must backstitch they must backstitch	I must be backstitching you must be backstitching she must be backstitching we must be backstitching you must be backstitching they must be backstitching
Perfecto	Perfecto con V-ing
I must have backstitched you must have backstitched she must have backstitched we must have backstitched you must have backstitched they must have backstitched	I must have been backstitching you must have been backstitching she must have been backstitching we must have been backstitching you must have been backstitching they must have been backstitching

Negación

Forma simple	Forma con V-ing
I mustn't backstitch you mustn't backstitch she mustn't backstitch we mustn't backstitch you mustn't backstitch they mustn't backstitch	I mustn't be backstitching you mustn't be backstitching she mustn't be backstitching we mustn't be backstitching you mustn't be backstitching they mustn't be backstitching
Perfecto	Perfecto con V-ing
I mustn't have backstitched you mustn't have backstitched she mustn't have backstitched we mustn't have backstitched you mustn't have backstitched they mustn't have backstitched	I mustn't have been backstitching you mustn't have been backstitching she mustn't have been backstitching we mustn't have been backstitching you mustn't have been backstitching they mustn't have been backstitching

Forma interrogativa

Forma simple	Forma con V-ing
must I backstitch? must you backstitch? must she backstitch? must we backstitch? must you backstitch? must they backstitch?	must I be backstitching? must you be backstitching? must she be backstitching? must we be backstitching? must you be backstitching? must they be backstitching?
Perfecto	Perfecto con V-ing
must I have backstitched? must you have backstitched? must she have backstitched? must we have backstitched? must you have backstitched? must they have backstitched?	must I have been backstitching? must you have been backstitching? must she have been backstitching? must we have been backstitching? must you have been backstitching? must they have been backstitching?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I backstitch? mustn't you backstitch? mustn't she backstitch? mustn't we backstitch? mustn't you backstitch? mustn't they backstitch?	mustn't I be backstitching? mustn't you be backstitching? mustn't she be backstitching? mustn't we be backstitching? mustn't you be backstitching? mustn't they be backstitching?
Perfecto	Perfecto con V-ing
mustn't I have backstitched? mustn't you have backstitched? mustn't she have backstitched? mustn't we have backstitched? mustn't you have backstitched? mustn't they have backstitched?	mustn't I have been backstitching? mustn't you have been backstitching? mustn't she have been backstitching? mustn't we have been backstitching? mustn't you have been backstitching? mustn't they have been backstitching?