English verb conjugation
MUST CRANE

Regular verb: crane - craned - craned

Affirmation

Simple form	V-ing form
I must crane you must crane he must crane we must crane you must crane they must crane	I must be craning you must be craning he must be craning we must be craning you must be craning they must be craning
Perfect	V-ing perfect
I must have craned you must have craned he must have craned we must have craned you must have craned they must have craned	I must have been craning you must have been craning he must have been craning we must have been craning you must have been craning they must have been craning

Negation

Simple form	V-ing form
I must not crane you must not crane he must not crane we must not crane you must not crane they must not crane	I must not be craning you must not be craning he must not be craning we must not be craning you must not be craning they must not be craning
Perfect	V-ing perfect
I must not have craned you must not have craned he must not have craned we must not have craned you must not have craned they must not have craned	I must not have been craning you must not have been craning he must not have been craning we must not have been craning you must not have been craning they must not have been craning

Interrogative form

Simple form	V-ing form
must I crane? must you crane? must he crane? must we crane? must you crane? must they crane?	must I be craning? must you be craning? must he be craning? must we be craning? must you be craning? must they be craning?
Perfect	V-ing perfect
must I have craned? must you have craned? must he have craned? must we have craned? must you have craned? must they have craned?	must I have been craning? must you have been craning? must he have been craning? must we have been craning? must you have been craning? must they have been craning?

Interro-negative form

Simple form	V-ing form
must I not crane? must you not crane? must he not crane? must we not crane? must you not crane? must they not crane?	must I not be craning? must you not be craning? must he not be craning? must we not be craning? must you not be craning? must they not be craning?
Perfect	V-ing perfect
must I not have craned? must you not have craned? must he not have craned? must we not have craned? must you not have craned? must they not have craned?	must I not have been craning? must you not have been craning? must he not have been craning? must we not have been craning? must you not have been craning? must they not have been craning?