7、形式。 如: There is a book on the desk. 课桌上有一本书。 How many people are there in the city? 这个城市里有多少人口。 There is a pen and two books on the desk. 课桌上有一个钢笔和两本书。 There are two books and a pen on the desk. 课桌上有两本书和一个钢笔。 There are some s
8、tudents and a teacher in the classroom. 在教室里有一些学生和一位老师。 There is a teacher and some students in the classroom. 在教室里有一位老师和一些学生。 3.在there be引起的句子结构中,用来修饰主语的不定式主动形式和被动形式均可。 There is no time to lose (= to