hallYoushallgetananswerfrommebytomorrow.②Heshallgofirst,whetherhewantsornot.③eintoeffectonMay1st.should表示劝告和建议,作“应该”讲Youshouldlearnfromeachother.表示惊讶、意外等情绪,意为“竟然”Ican’tbearthatheshouldspeakillofme.用在if条件句中,表示可能性很小,e,sayI’mnotathome.will/would用于表示意志或意愿Ihavetoldhimagainandagaintostopsmoking,buthewillnotlisten.表示“请求;建议”。用would比will委婉、客气些Wouldyoulikesomemorecoffee?表示习惯:will可以表示现在的习惯,意为“总是;习惯于”。表示过去的习惯性动作用wouldShewillsitforhoursreadingintheafternoon.②Whenhewasyoung,hewouldlistentomusicaloneinhisroom.表示事物的某种性质和倾向Woodwillfloatonthewater.need表示“需要;必要”,用于否定句、疑问句和条件从句中-Needwemakethetest?—No,weneedn’t.dare表示“敢;敢于”,主要用于疑问句、否定句和条件从句中,一般不用于肯定句。Idaresay是习惯说法,意为“我想,大概”Howdareyoutalklikethat?oughtto表示义务,意为“应当”,语气比should强,表示不十分肯定或含蓄的推测,意为“应是,应该”Everyoneoughttoobeythetrafficregulations.②Heoughttobehomebynow.