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2、hersheilldsethinghenaisused,itshsthatthespeaerissbitreertainthanhenightisuseduldisreertainthana,butlessertainthanshuldandughttShuldandughttarereertainheneuseill,eeanearequiteertainthateilldsethingIfeuseust,earealstertaintdsething2Ifuantthavealaturfriend’sb,hatdusa?(anIhavealaturb?)ha
3、tdesurfriendsatu?(‘furse,uan’r‘srr/N,uan’t)Sanisalsusedtasfrperissin,espeiallininfralrspenEnglish3NreadPart1npage28tfinduthdalverbsareusedttalabutabilit,bligatin,ertaintandperissinPaattentintthethreearrsthatillustratethedegreesfbligatin,ertaintandperissinhendalverbsareused4Readpart2a
4、ndusedalverbstaerequests,suggestinsrffers,andgiveadvieeg:ill/anureadthesentenenere?(Taearequest)Shalleathafiltnight?(Taeasuggestin)Iillhelpuifuhaveanprbles(Taeanffer)Theanagerisntinnushuldebaatthree’l(Tgiveadvie)Npleasereadtheinstrutinsfrtheexerisenpage29Thenpletetheartileindividuall
5、andIillhetheanserslater(1)ust(2)hast(3)ust(4)ust()shuld(6)ughtt(7)uld(8)a(9)uld6ReadPart4npage28andtrurbesttunderstandhthentinuusfrrtheperfetfrisusedithadalverbintheexaplesentenesFirstI’llgiveuseexaples:hnisn’theretattendthepartHeustberevieinghisntesfrthebigexatrr(Thespeaerthinsthath
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7、nesbeteenanandbeablet·Beabletisrefralandlessnthananhenreferringtabilit·Beabletanbeusedindifferenttensesraftertherdalverbs,frexaple,ill/shallbeablet,uld/shuldbeablet,have/has/hadbeenablet,ust/a/ightbeablet·Beabletanbeusedaftertheinfinitivearert·Thepastfrfbeabletisas/ereablet·anisrenan
8、dinfralthanb
