English verb conjugation
MUST RADIOTELEPHONE

Regular verb: radiotelephone - radiotelephoned - radiotelephoned

Affirmation

Simple form	V-ing form
I must radiotelephone you must radiotelephone he must radiotelephone we must radiotelephone you must radiotelephone they must radiotelephone	I must be radiotelephoning you must be radiotelephoning he must be radiotelephoning we must be radiotelephoning you must be radiotelephoning they must be radiotelephoning
Perfect	V-ing perfect
I must have radiotelephoned you must have radiotelephoned he must have radiotelephoned we must have radiotelephoned you must have radiotelephoned they must have radiotelephoned	I must have been radiotelephoning you must have been radiotelephoning he must have been radiotelephoning we must have been radiotelephoning you must have been radiotelephoning they must have been radiotelephoning

Negation

Simple form	V-ing form
I must not radiotelephone you must not radiotelephone he must not radiotelephone we must not radiotelephone you must not radiotelephone they must not radiotelephone	I must not be radiotelephoning you must not be radiotelephoning he must not be radiotelephoning we must not be radiotelephoning you must not be radiotelephoning they must not be radiotelephoning
Perfect	V-ing perfect
I must not have radiotelephoned you must not have radiotelephoned he must not have radiotelephoned we must not have radiotelephoned you must not have radiotelephoned they must not have radiotelephoned	I must not have been radiotelephoning you must not have been radiotelephoning he must not have been radiotelephoning we must not have been radiotelephoning you must not have been radiotelephoning they must not have been radiotelephoning

Interrogative form

Simple form	V-ing form
must I radiotelephone? must you radiotelephone? must he radiotelephone? must we radiotelephone? must you radiotelephone? must they radiotelephone?	must I be radiotelephoning? must you be radiotelephoning? must he be radiotelephoning? must we be radiotelephoning? must you be radiotelephoning? must they be radiotelephoning?
Perfect	V-ing perfect
must I have radiotelephoned? must you have radiotelephoned? must he have radiotelephoned? must we have radiotelephoned? must you have radiotelephoned? must they have radiotelephoned?	must I have been radiotelephoning? must you have been radiotelephoning? must he have been radiotelephoning? must we have been radiotelephoning? must you have been radiotelephoning? must they have been radiotelephoning?

Interro-negative form

Simple form	V-ing form
must I not radiotelephone? must you not radiotelephone? must he not radiotelephone? must we not radiotelephone? must you not radiotelephone? must they not radiotelephone?	must I not be radiotelephoning? must you not be radiotelephoning? must he not be radiotelephoning? must we not be radiotelephoning? must you not be radiotelephoning? must they not be radiotelephoning?
Perfect	V-ing perfect
must I not have radiotelephoned? must you not have radiotelephoned? must he not have radiotelephoned? must we not have radiotelephoned? must you not have radiotelephoned? must they not have radiotelephoned?	must I not have been radiotelephoning? must you not have been radiotelephoning? must he not have been radiotelephoning? must we not have been radiotelephoning? must you not have been radiotelephoning? must they not have been radiotelephoning?