Conjugación del verbo inglés
MUST PURR

Verbo regular: purr - purred - purred

Afirmación

Forma simple	Forma con V-ing
I must purr you must purr he must purr we must purr you must purr they must purr	I must be purring you must be purring he must be purring we must be purring you must be purring they must be purring
Perfecto	Perfecto con V-ing
I must have purred you must have purred he must have purred we must have purred you must have purred they must have purred	I must have been purring you must have been purring he must have been purring we must have been purring you must have been purring they must have been purring

Negación

Forma simple	Forma con V-ing
I must not purr you must not purr he must not purr we must not purr you must not purr they must not purr	I must not be purring you must not be purring he must not be purring we must not be purring you must not be purring they must not be purring
Perfecto	Perfecto con V-ing
I must not have purred you must not have purred he must not have purred we must not have purred you must not have purred they must not have purred	I must not have been purring you must not have been purring he must not have been purring we must not have been purring you must not have been purring they must not have been purring

Forma interrogativa

Forma simple	Forma con V-ing
must I purr? must you purr? must he purr? must we purr? must you purr? must they purr?	must I be purring? must you be purring? must he be purring? must we be purring? must you be purring? must they be purring?
Perfecto	Perfecto con V-ing
must I have purred? must you have purred? must he have purred? must we have purred? must you have purred? must they have purred?	must I have been purring? must you have been purring? must he have been purring? must we have been purring? must you have been purring? must they have been purring?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not purr? must you not purr? must he not purr? must we not purr? must you not purr? must they not purr?	must I not be purring? must you not be purring? must he not be purring? must we not be purring? must you not be purring? must they not be purring?
Perfecto	Perfecto con V-ing
must I not have purred? must you not have purred? must he not have purred? must we not have purred? must you not have purred? must they not have purred?	must I not have been purring? must you not have been purring? must he not have been purring? must we not have been purring? must you not have been purring? must they not have been purring?