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gency rations to these famine refugees this instant? Yes,you must. No,you they needn’t. No,you don’t have to. 人們常常會(huì)對(duì)客觀事物做出自己的判斷,當(dāng)情態(tài)動(dòng)詞用來表示說話人對(duì)事物的推測(cè)、判斷時(shí),就具有情態(tài)動(dòng)詞的推測(cè)性用法??梢杂米魍茰y(cè)的情態(tài)動(dòng)詞有can,could,may,might,must,ought to, should,will和would。它們做出可能性的推測(cè)、判斷、預(yù)料的程度是不同的,might最弱、最沒有把握,而must最強(qiáng)、把握最大。例如: It’s nine o’ friend couldn’t e to see me. This boy must fail in exam from his sad face. It’s five past ought to be many students waiting for the door opening. She should be a clerk in for