you must go back to the shopyou must grin and bear ityou must hand it to himyou must have the patience of a saintyou must leave now otherwise you will miss your flightyou must lie on the bed you have madeyou must not be seenyou must not hurt to schoo of thingyou must not skip class unexcused absence will lower your gradeyou must not tell a soulyou must not to throw rubbishyou must perform a block to progress lock on blockyou must return the item in its original conditionyou must screw your courage to the sticking place and tell them the truthyou must take the good with the badyou must tidy your roomyou must try this food this is really deliciousyou mustn't smoke in hereyou mustnt walk your dogyou my ciayou my manyou nailed ityou name ityou name it i've tried ityou name it we do ityou name it we have got ityou naughtyyou naughty boyyou needyou need a change of sceneryyou need a good restyou need a liftyou need a pass to get into the factoryyou need anyyou need to bait the hook to catch the fishyou need to catch yourselfyou need to change out of those wet thingsyou need to exercise on a regular basisyou need to explore your feelings on this subject more carefullyyou need to hold still for the needleyou need to pace that pillsyou need to pay your duesyou need to take off your belt and go through the security checkyou need to up your gameyou need to wean your baby off breast milk by the time they reach one year oldyou need your head examinedyou need yourslfyou needn't worry about the examyou neveryou never been married