Regular verb: turn back - turn backed - turn backed
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must turn back you must turn back she must turn back we must turn back you must turn back they must turn back
V-ing form
I must be turn backing you must be turn backing she must be turn backing we must be turn backing you must be turn backing they must be turn backing
Perfect
I must have turn backed you must have turn backed she must have turn backed we must have turn backed you must have turn backed they must have turn backed
V-ing perfect
I must have been turn backing you must have been turn backing she must have been turn backing we must have been turn backing you must have been turn backing they must have been turn backing
Negation
Simple form
I must not turn back you must not turn back she must not turn back we must not turn back you must not turn back they must not turn back
V-ing form
I must not be turn backing you must not be turn backing she must not be turn backing we must not be turn backing you must not be turn backing they must not be turn backing
Perfect
I must not have turn backed you must not have turn backed she must not have turn backed we must not have turn backed you must not have turn backed they must not have turn backed
V-ing perfect
I must not have been turn backing you must not have been turn backing she must not have been turn backing we must not have been turn backing you must not have been turn backing they must not have been turn backing
Interrogative form
Simple form
must I turn back? must you turn back? must she turn back? must we turn back? must you turn back? must they turn back?
V-ing form
must I be turn backing? must you be turn backing? must she be turn backing? must we be turn backing? must you be turn backing? must they be turn backing?
Perfect
must I have turn backed? must you have turn backed? must she have turn backed? must we have turn backed? must you have turn backed? must they have turn backed?
V-ing perfect
must I have been turn backing? must you have been turn backing? must she have been turn backing? must we have been turn backing? must you have been turn backing? must they have been turn backing?
Interro-negative form
Simple form
must I not turn back? must you not turn back? must she not turn back? must we not turn back? must you not turn back? must they not turn back?
V-ing form
must I not be turn backing? must you not be turn backing? must she not be turn backing? must we not be turn backing? must you not be turn backing? must they not be turn backing?
Perfect
must I not have turn backed? must you not have turn backed? must she not have turn backed? must we not have turn backed? must you not have turn backed? must they not have turn backed?
V-ing perfect
must I not have been turn backing? must you not have been turn backing? must she not have been turn backing? must we not have been turn backing? must you not have been turn backing? must they not have been turn backing?