book8-unit1-language-pointsVIP免费

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。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+vpptodo