I must needle you must needle he must needle we must needle you must needle they must needle
V-ing form
I must be needling you must be needling he must be needling we must be needling you must be needling they must be needling
Perfect
I must have needled you must have needled he must have needled we must have needled you must have needled they must have needled
V-ing perfect
I must have been needling you must have been needling he must have been needling we must have been needling you must have been needling they must have been needling
Negation
Simple form
I must not needle you must not needle he must not needle we must not needle you must not needle they must not needle
V-ing form
I must not be needling you must not be needling he must not be needling we must not be needling you must not be needling they must not be needling
Perfect
I must not have needled you must not have needled he must not have needled we must not have needled you must not have needled they must not have needled
V-ing perfect
I must not have been needling you must not have been needling he must not have been needling we must not have been needling you must not have been needling they must not have been needling
Interrogative form
Simple form
must I needle? must you needle? must he needle? must we needle? must you needle? must they needle?
V-ing form
must I be needling? must you be needling? must he be needling? must we be needling? must you be needling? must they be needling?
Perfect
must I have needled? must you have needled? must he have needled? must we have needled? must you have needled? must they have needled?
V-ing perfect
must I have been needling? must you have been needling? must he have been needling? must we have been needling? must you have been needling? must they have been needling?
Interro-negative form
Simple form
must I not needle? must you not needle? must he not needle? must we not needle? must you not needle? must they not needle?
V-ing form
must I not be needling? must you not be needling? must he not be needling? must we not be needling? must you not be needling? must they not be needling?
Perfect
must I not have needled? must you not have needled? must he not have needled? must we not have needled? must you not have needled? must they not have needled?
V-ing perfect
must I not have been needling? must you not have been needling? must he not have been needling? must we not have been needling? must you not have been needling? must they not have been needling?