精选优质文档-倾情为你奉上常用it作形式主语的句型结构 It + be +形容词+ that-从句可用于此句型的形容词有: wonderful,true，good，right，wrong，（un）important，useless，surprising，clear，unusual，lucky，certain, necessary等。如： Itisquitecertainthat hewillbeatthemeeting. It is surprising that he came late to school this morning. Itisimportantthatwe(should)studyhard注意: 该句型中的形容词是（un）important, necessary等时，从句应为 (should )+动词原形。 It + be + -ed 分词+ that-从句 适用该句型的过去分词主要有: said,reported,announced,
