2012年12月大学英语四级语法:不定式4 ! x' u, ]8 V- {# ^ L% J! D不定式的完成被动式& h4 e3 R& I3 d
当不定式的逻辑主语是这个不定式所表示的动作的承受者,且不定式的动作发生在谓语动词的动作之前,不定式要用完成被动式,在句中可作主语,宾语或构成复合宾语,复合谓语。考试用书 1 i8 Y; C8 A6 B# n2 y0 S1 q The forest fire is reported to have been put out last night。& `, _- O/ t# U% p/ u% b
It is supposed to have been finished without referring to any reference books。