Expressing possibility and probability

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could Wlottary Wif WWe Wticket Wbuy Wthe Wwin Wa Wwe

The Tcome Tto Ttoday Tnot Tteacher Tclass Tmight. T T

be MMy Mgrade Mteacher Mright, M Mcan't! M

the Mrain Mbe Mmight Mof MMy Mclassmates Mlate Mbecause. M M

in Ecould Ethe EEnglish Ehelp Eyou Efuture. E E

expensive Tpainting Tmust Tbe Treally TThat. T T

the Iexam Icould Iyou, I Iyou Ifail IIf Idon't Istudy. I I

must Kbe Kintrested KKim Kin Knot KEnglish. K

be Hmight Hmonth Hthe HHe Hout Hcity Hnext Hof. H