可用完成式 having been lost) Because the key to the bike had been lost, he had to walk to school A.不定式“独立主格结构” 在“逻辉主语+动词不定式”结构中,动词不定式和它前面的名词或 代词存在着逻上的主谓关系。这种结构也可用一个从句或并列 外句来表达。 1.动词不定式用主动的形式 在独立主格结构中,动词不定式和它前面的名词或代词存在着逻 瓣上的主谓关系。 His mother to come tonight, he is busy preparing the dinner 他母亲今晚要来他正在着准备饭菜。 (As his mother is to come tonight, he is busy preparing the dinner. will you go to the concert tonight你今晚去听音乐会吗? sorry. So many exerise-books to check, I rially can't afford any time 对不起,有这多的作业要批,我真的抽不出时间。 (=Because I shall check so many exercise-books tonight, I really can't afford any time. The four of us agreed on a division oflabour, each to translate a quarter of the book.可以用完成式 having been lost） = Because the key to the bike had been lost, he had to walk to school. A． 不定式“独立主格结构” 在“逻辑主语+动词不定式”结构中，动词不定式和它前面的名词或 代词存在着逻辑上的主谓关系。这种结构也可用一个从句或并列 分句来表达。 1．动词不定式用主动的形式 在独立主格结构中，动词不定式和它前面的名词或代词存在着逻 辑上的主谓关系。 His mother to come tonight，he is busy preparing the dinner. 他母亲今晚要来,他正在忙着准备饭菜。 （= As his mother is to come tonight, he is busy preparing the dinner.） ——will you go to the comcert tonight 你今晚去听音乐会吗？ ——sorry.So many exerise-books to check,I rially can't afford any time. 对不起，有这多的作业要批，我真的抽不出时间。 （＝Because I shall check so many exercise-books tonight, I really can't afford any time.） The four of us agreed on a division of labour, each to translate a quarter of the book