Coniugazione del verbo inglese
MUST OCCUR

Verbo regolare: occur - occurred - occurred

Affermazione

Forma semplice	Forma con V-ing
I must occur you must occur he must occur we must occur you must occur they must occur	I must be occurring you must be occurring he must be occurring we must be occurring you must be occurring they must be occurring
Perfetto	Perfetto con V-ing
I must have occurred you must have occurred he must have occurred we must have occurred you must have occurred they must have occurred	I must have been occurring you must have been occurring he must have been occurring we must have been occurring you must have been occurring they must have been occurring

Negazione

Forma semplice	Forma con V-ing
I mustn't occur you mustn't occur he mustn't occur we mustn't occur you mustn't occur they mustn't occur	I mustn't be occurring you mustn't be occurring he mustn't be occurring we mustn't be occurring you mustn't be occurring they mustn't be occurring
Perfetto	Perfetto con V-ing
I mustn't have occurred you mustn't have occurred he mustn't have occurred we mustn't have occurred you mustn't have occurred they mustn't have occurred	I mustn't have been occurring you mustn't have been occurring he mustn't have been occurring we mustn't have been occurring you mustn't have been occurring they mustn't have been occurring

Forma interrogativa

Forma semplice	Forma con V-ing
must I occur? must you occur? must he occur? must we occur? must you occur? must they occur?	must I be occurring? must you be occurring? must he be occurring? must we be occurring? must you be occurring? must they be occurring?
Perfetto	Perfetto con V-ing
must I have occurred? must you have occurred? must he have occurred? must we have occurred? must you have occurred? must they have occurred?	must I have been occurring? must you have been occurring? must he have been occurring? must we have been occurring? must you have been occurring? must they have been occurring?

Forma interro-negativa

Forma semplice	Forma con V-ing
mustn't I occur? mustn't you occur? mustn't he occur? mustn't we occur? mustn't you occur? mustn't they occur?	mustn't I be occurring? mustn't you be occurring? mustn't he be occurring? mustn't we be occurring? mustn't you be occurring? mustn't they be occurring?
Perfetto	Perfetto con V-ing
mustn't I have occurred? mustn't you have occurred? mustn't he have occurred? mustn't we have occurred? mustn't you have occurred? mustn't they have occurred?	mustn't I have been occurring? mustn't you have been occurring? mustn't he have been occurring? mustn't we have been occurring? mustn't you have been occurring? mustn't they have been occurring?