book8 unit1 language points

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1、Unit1AlandofdiversityLanguagepoints归纳：强调句的结构：Itis/was...that/who...一般疑问句：Is/Wasit...that/who...?特殊疑问句：特殊疑问词+is/wasitthat/who...?对not...until...句式的强调Itis/wasnotuntil...that...归纳：thepercentageof...,...的百分比作主语时，谓语动词用单数形式。apercentageof后接名词作主语时，其后谓语动词的单复数要与名词一致。percent和p

2、ercentage的不同用法percent表示“百分之......",相当于”％",其前多是一个具体数字；而percentage表示“百分比，百分率”，不用数字修饰，只可加high,large,low或small等。归纳：Itiswas+vpp+that...，其中it为形式主语，真正的主语是that引导的主语从句。常用于此结构的动词有asy,report,think,hope,suggest,believe,know,announce等。此句型可改为S+is/was+vpptodoItisLiNawho/thathasmadeagr

3、eatachievement.ItwasyesterdaythatImetmyoldfriend.WasityesterdaythatImetmyoldfriend?WhenwasitthatImetmyoldfriend?Itwasreportedthatseveralpeoplehadbeenkilled.Severalpeoplewasreportedtohadbeenkilled.