第一句:The villagers didn’t realize how serious the pollution was until all the fish died in the river.
第二句:Not until all the fish died in the river did the villagers realize how serious the pollution was.(倒装句)
第三句:Not until his son came back from school did he go to bed.
第四句:It was not until his son came back from school that he went to bed.(强调句)
强调句:在英文中,句子的主语、宾语、状语都可以写进一定的句式里以表示对它的强调。
倒装句:英语的基本语序是“主语谓语”,假如将谓语的一部分或全部放在主语之前,这种语序叫倒装。倒装既是一种语法手段,也是一种修辞手段,用于表示一定的句子结构或强调某一句子成分。