I must adhere you must adhere she must adhere we must adhere you must adhere they must adhere
V-ing form
I must be adhering you must be adhering she must be adhering we must be adhering you must be adhering they must be adhering
Perfect
I must have adhered you must have adhered she must have adhered we must have adhered you must have adhered they must have adhered
V-ing perfect
I must have been adhering you must have been adhering she must have been adhering we must have been adhering you must have been adhering they must have been adhering
Negation
Simple form
I must not adhere you must not adhere she must not adhere we must not adhere you must not adhere they must not adhere
V-ing form
I must not be adhering you must not be adhering she must not be adhering we must not be adhering you must not be adhering they must not be adhering
Perfect
I must not have adhered you must not have adhered she must not have adhered we must not have adhered you must not have adhered they must not have adhered
V-ing perfect
I must not have been adhering you must not have been adhering she must not have been adhering we must not have been adhering you must not have been adhering they must not have been adhering
Interrogative form
Simple form
must I adhere? must you adhere? must she adhere? must we adhere? must you adhere? must they adhere?
V-ing form
must I be adhering? must you be adhering? must she be adhering? must we be adhering? must you be adhering? must they be adhering?
Perfect
must I have adhered? must you have adhered? must she have adhered? must we have adhered? must you have adhered? must they have adhered?
V-ing perfect
must I have been adhering? must you have been adhering? must she have been adhering? must we have been adhering? must you have been adhering? must they have been adhering?
Interro-negative form
Simple form
must I not adhere? must you not adhere? must she not adhere? must we not adhere? must you not adhere? must they not adhere?
V-ing form
must I not be adhering? must you not be adhering? must she not be adhering? must we not be adhering? must you not be adhering? must they not be adhering?
Perfect
must I not have adhered? must you not have adhered? must she not have adhered? must we not have adhered? must you not have adhered? must they not have adhered?
V-ing perfect
must I not have been adhering? must you not have been adhering? must she not have been adhering? must we not have been adhering? must you not have been adhering? must they not have been adhering?