ldhavedo
e表本可以做某事9、、判断句：肯定句用must否定句用ca
t不太肯定用maymight判断句：Hemustbei
theoffice
owHemusthavego
etobedforthelightisoutHeca
tbei
theofficeHeisathomeHecould
thaveclea
edtheclassroombecausehedid
tcomeheretodayHemightbei
theofficeIam
otsureHemighthaveclea
edtheroomIsupposeII．例题．例1，They_______towalki
thestreetatmight，Adid
tdareB
otdaredC
otdareDdared
ot解析，该题答案为A，此空需选一动词作谓语，解析，，此空需选一动词作谓语，因为后面是towalkdid
tdare是行为动词dare过去时态的否定形式。过去时态的否定形式。例2，Whe
hewasveryoldMrSmith_______sitforhours，withoutsayi
gawordAwouldBshouldCmustDused解析，此处表过去的倾向性，习惯性动作，解析，该题答案为Awould此处表过去的倾向性，习惯性动作，意为