河北省临漳县第一中学高中英语必修二学案:UNIT4 USING LANGUAGE
新课程高一英语学案(必修2)Unit 4 wildlife protection Written by F
2 新课程高一英语学案(必修) Unit4wildlifeprotection rittenbyFuLihua W Animalextinction Languagepointsinthe“Usinglanguage” : 1…longbeforehumanscameintobeingandtheirfutureseemedsecureat thattime. 1 () Longbefore ①意为“很久以前”表示比过去某时早的多的时间 EgShehadleftlongbefore. 她很久以前就离开了。 Thathadhappenedlongbefore. 那事很久以前就发生了 longbefore ②另外还用于以下句式 Itis[was,willbe]/takes/tooklongbefore ……在……前需要很久。例如; Itwaslongbeforehecameback. 过了好久他才回来。 Itwon’tbelongbeforeweseeeachother. 不久我们又会见面的。 2 () seem: ①常常和不定式,形容词,分词,名词和介词短语搭配。如 HeseemedtohearavoiceinthedistanceSheseemsquitehappytoday Thenewsseemsexciting.Heseemedexcitedatthenews Hermotherseemsateacher.Theyseemedinhighspirits seemitItseems/seemedthat ②常用于作形式主语的“……”结构,如: Itseemsthatyouwerelying.Itseemedthathehadbeenascientist. seemasif/though ③常用于由引导的从句中,如: a)Itseemsasifitisgoingtorain. b)Itseemsasthoughourplanwillbeperfect. c)Itseemsasifheknewnothingaboutthat. d)Itseemsasifitwas/werespringalready. [] 注在这种句式中,如从句所叙述的情实现的可能性比较大,从句谓语用陈述语 a,b 气如两例;若实现的可能性较小,或根本不可能实现,从句的谓语则用虚拟 c,d 语气,如两例。

