第六课时SectionB(2b~2e)1.beableto为情态动词短语,意为“能够”,后面应该跟动词原形,有人称和数的变化,且有多种时态,否定形式在be后加not。【辨析】can和beableto①can只能用于现在时与过去时中;而beableto可用于现在、过去、将来等时态中。eg:Willyoubeabletocometonight?你今晚能来吗?(不能用can替换)②beableto可用于助动词、情态动词后,而can不能。③can没有人称和数的变化,而beableto有。2.im是否定前缀,dis也是否定前缀eg:possible可能的impossible不可能的agree同意disagree不同意3.It'sadj.forsb.todosth.做某事对于某人来说……,其中it是形式主语,真正的主语是后面的动词不定式短语。eg:It'seasyforachildtolearnanewlanguage.对于孩子来说学一门新语言很容易。4.【辨析】lookfor与findlookfor意为“寻找”,指有目的地找,强调寻找的动作;find意为“找到”,常指找到或发现具体的东西,可指偶然发现某物或某种情况,侧重找的结果。一、根据句意及首字母提示,完成句子。1.Studentshaveatwomonthh______everysummer.2.Thetwos______haddifferentideasatthemeeting.3.SomeEnglishw______aredifficulttoremember.4.Weallb______thatyoucandothenewjobwell.5.Nothingisi_____________ifyouputyourheartintoit.olidayidesordselievempossible二、单项选择。6.Someoldhouses________inmyhometownlastsummer.A.falldownB.felldownC.writedownD.wrotedown7.—Howmanybirdscanyouseeinthetrees?—Icansee________birds.A.hundredsofB.fivehundredsC.hundredofD.fivehundredsof8.—I________youcanbebetterthisterm.—Thankyou.Ihopeso.A.disagreeB.decidedCbelieveDdiscussBAC9.—WhereisLucy,Ann?—She________wentshoppingwithherfriend.A.maybeB.canC.probablyD.may10.Ican't________mynewpen.Canyouhelpme________it?A.find,findB.lookfor,lookforC.lookfor,findD.find,lookforCC三、根据汉语完成句子,每空一词。11.如果建筑物倒塌,里面又有人,他们会很快赶过来。Ifbuildings________________withpeople________,theywillcomesoon.12.在将来的某个时候,你很可能会卖掉这辆车。Youwillprobablysellthecar_____________________inthefuture.13.怀特夫人以后会有更多的空闲时间。Mrs.Whitewillhave____________________inthefuture.14.如果你睡晚了,你明天六点前不能醒来。Yo...