It 句型归纳总结I．It 作形式主语的句型①It + be + adj ( kind , wise ， careless ， clever … ） + of sb to do sth Eg： It is wise of him to make such a decision。他做出这样的决定是明智的.②It + be + adj ( easy , safe , common ， normal … ) + for sb to do sth 该句型中 adj 若为 important, necessary， natural， possible, strange， vital， essential 等可改为从句,从句用 should+动词原形。.Eg： It’s very dangerous for children to play with fire。It is important for us to learn English well.(= It is important that we (should) learn English well.）③It + be + V — ed( reported, believed ， said, suggeste d …) + that 从句 该 句 型 中 :⑴ 若 V—ed 为 reported ， believed ， said 等 常 译 为 “ 据 报 道 ",“ 据 认 为 ” ， “ 据 说 ” .⑵ 若 V—ed 为suggested，ordered，demanded,insisted 等表示“建议”,“命令”的词，从句要用虚拟语气（should）+动词原形。Eg: It is suggested that the book (should) be revised。It’s said that Tom has been back from abroad.(=Tom is said to have been back from abroad.）④It + be + n ( a pity, a shame, a fact ， good new s … ) + that 从句 : 该句型中,从句一般用（should） + 动词原形，表示出乎意料，常译为＂竟然＂。Eg： It is a pity that such a thing （ should ) happen in your class。这种事竟然发生在你们班上，真是遗憾！⑤It is useless/no use/no good /pleasure + doing sth 此句型中的 it 是形式主语， 其后的动名词短语是真正的主语,译为“做…没有用"。Eg : It ‘s useless arguing with him further。 // It's no use talking with him, because he won't listen。⑥It takes sb. .. 。 to do sth. 该句型中 it 是形式主语，真正的宾语是 to do sth，常译为＂做．．．要花费某人．．．＂。 Eg: It took thousands of people many years to build the Great Wall。II．It 作形式宾语的句型1。sb find/ believe/ think/ feel/ ...
