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feminino | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

Conjugación del verbo inglés MUST OBSERVE

Verbo regular: observe - observed - observed


Afirmación

Forma simple
I must observe
you must observe
he must observe
we must observe
you must observe
they must observe
Forma con V-ing
I must be observing
you must be observing
he must be observing
we must be observing
you must be observing
they must be observing
Perfecto
I must have observed
you must have observed
he must have observed
we must have observed
you must have observed
they must have observed
Perfecto con V-ing
I must have been observing
you must have been observing
he must have been observing
we must have been observing
you must have been observing
they must have been observing

Negación

Forma simple
I mustn't observe
you mustn't observe
he mustn't observe
we mustn't observe
you mustn't observe
they mustn't observe
Forma con V-ing
I mustn't be observing
you mustn't be observing
he mustn't be observing
we mustn't be observing
you mustn't be observing
they mustn't be observing
Perfecto
I mustn't have observed
you mustn't have observed
he mustn't have observed
we mustn't have observed
you mustn't have observed
they mustn't have observed
Perfecto con V-ing
I mustn't have been observing
you mustn't have been observing
he mustn't have been observing
we mustn't have been observing
you mustn't have been observing
they mustn't have been observing

Forma interrogativa

Forma simple
must I observe?
must you observe?
must he observe?
must we observe?
must you observe?
must they observe?
Forma con V-ing
must I be observing?
must you be observing?
must he be observing?
must we be observing?
must you be observing?
must they be observing?
Perfecto
must I have observed?
must you have observed?
must he have observed?
must we have observed?
must you have observed?
must they have observed?
Perfecto con V-ing
must I have been observing?
must you have been observing?
must he have been observing?
must we have been observing?
must you have been observing?
must they have been observing?

Forma interro-negativa

Forma simple
mustn't I observe?
mustn't you observe?
mustn't he observe?
mustn't we observe?
mustn't you observe?
mustn't they observe?
Forma con V-ing
mustn't I be observing?
mustn't you be observing?
mustn't he be observing?
mustn't we be observing?
mustn't you be observing?
mustn't they be observing?
Perfecto
mustn't I have observed?
mustn't you have observed?
mustn't he have observed?
mustn't we have observed?
mustn't you have observed?
mustn't they have observed?
Perfecto con V-ing
mustn't I have been observing?
mustn't you have been observing?
mustn't he have been observing?
mustn't we have been observing?
mustn't you have been observing?
mustn't they have been observing?