I must veer you must veer she must veer we must veer you must veer they must veer
V-ing form
I must be veering you must be veering she must be veering we must be veering you must be veering they must be veering
Perfect
I must have veered you must have veered she must have veered we must have veered you must have veered they must have veered
V-ing perfect
I must have been veering you must have been veering she must have been veering we must have been veering you must have been veering they must have been veering
Negation
Simple form
I must not veer you must not veer she must not veer we must not veer you must not veer they must not veer
V-ing form
I must not be veering you must not be veering she must not be veering we must not be veering you must not be veering they must not be veering
Perfect
I must not have veered you must not have veered she must not have veered we must not have veered you must not have veered they must not have veered
V-ing perfect
I must not have been veering you must not have been veering she must not have been veering we must not have been veering you must not have been veering they must not have been veering
Interrogative form
Simple form
must I veer? must you veer? must she veer? must we veer? must you veer? must they veer?
V-ing form
must I be veering? must you be veering? must she be veering? must we be veering? must you be veering? must they be veering?
Perfect
must I have veered? must you have veered? must she have veered? must we have veered? must you have veered? must they have veered?
V-ing perfect
must I have been veering? must you have been veering? must she have been veering? must we have been veering? must you have been veering? must they have been veering?
Interro-negative form
Simple form
must I not veer? must you not veer? must she not veer? must we not veer? must you not veer? must they not veer?
V-ing form
must I not be veering? must you not be veering? must she not be veering? must we not be veering? must you not be veering? must they not be veering?
Perfect
must I not have veered? must you not have veered? must she not have veered? must we not have veered? must you not have veered? must they not have veered?
V-ing perfect
must I not have been veering? must you not have been veering? must she not have been veering? must we not have been veering? must you not have been veering? must they not have been veering?