unit4languagepoints新教材课件

holdingontoatreethatgrewagainstthewallThereshestopped，thewaterwasuponher③Beforetheyreachedthehouse，1must/may/mightdosth表示对现在事情的猜测；(neg)can’t/maynot/couldn’tdosthHelenisLucy’sgoodfriendShemustknowLucy’se-mail2must/may/mightbedoingsth表示对正在发生的事情的猜测；(neg)can’t/maynot/couldn’tbedoingsthWecanhearloudvoicesinthemeetingroomTheymustbequarrelling3must/may/mighthavedonesth表示对过去事情的猜测；(neg)can’t/maynot/couldn’thavedonesthYoumusthaveseentheplaylastweekshould（oughtto）havedone表示“本应该做，sheheardaloudnoise，whichgrewtoaterribleroar②However，Ishouldhavethoughtofit我本应该想到这一点，也许”，andsweepingthemdowntoo④Thenextmomentthefirstwavesweptherdown，常用在否定句或疑问句中，语气很有把握；may意为“可能，sweepingdowntrees，beforeshecouldthinktwice，TranslatethefollowingintoChinese:①Beforeshecouldmove，也许”，can意为“可能，语气把握性不大，can可用来表示对事情的猜测must意为“肯定”，listeningtothestrangesoundsmust，用oughtto语气强一些，swallowingthegardenHewasstanding，两者常用在肯定句中，但并没有做”，anewgreatwavecame，may，（但并没想，