Coniugazione del verbo inglese
MUST PERTURB

Verbo regolare: perturb - perturbed - perturbed

Affermazione

Forma semplice	Forma con V-ing
I must perturb you must perturb she must perturb we must perturb you must perturb they must perturb	I must be perturbing you must be perturbing she must be perturbing we must be perturbing you must be perturbing they must be perturbing
Perfetto	Perfetto con V-ing
I must have perturbed you must have perturbed she must have perturbed we must have perturbed you must have perturbed they must have perturbed	I must have been perturbing you must have been perturbing she must have been perturbing we must have been perturbing you must have been perturbing they must have been perturbing

Negazione

Forma semplice	Forma con V-ing
I must not perturb you must not perturb she must not perturb we must not perturb you must not perturb they must not perturb	I must not be perturbing you must not be perturbing she must not be perturbing we must not be perturbing you must not be perturbing they must not be perturbing
Perfetto	Perfetto con V-ing
I must not have perturbed you must not have perturbed she must not have perturbed we must not have perturbed you must not have perturbed they must not have perturbed	I must not have been perturbing you must not have been perturbing she must not have been perturbing we must not have been perturbing you must not have been perturbing they must not have been perturbing

Forma interrogativa

Forma semplice	Forma con V-ing
must I perturb? must you perturb? must she perturb? must we perturb? must you perturb? must they perturb?	must I be perturbing? must you be perturbing? must she be perturbing? must we be perturbing? must you be perturbing? must they be perturbing?
Perfetto	Perfetto con V-ing
must I have perturbed? must you have perturbed? must she have perturbed? must we have perturbed? must you have perturbed? must they have perturbed?	must I have been perturbing? must you have been perturbing? must she have been perturbing? must we have been perturbing? must you have been perturbing? must they have been perturbing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not perturb? must you not perturb? must she not perturb? must we not perturb? must you not perturb? must they not perturb?	must I not be perturbing? must you not be perturbing? must she not be perturbing? must we not be perturbing? must you not be perturbing? must they not be perturbing?
Perfetto	Perfetto con V-ing
must I not have perturbed? must you not have perturbed? must she not have perturbed? must we not have perturbed? must you not have perturbed? must they not have perturbed?	must I not have been perturbing? must you not have been perturbing? must she not have been perturbing? must we not have been perturbing? must you not have been perturbing? must they not have been perturbing?