中考英语语法专题讲解——冠词（共17张PPT）

1、用于第一次提到的某人或者某物。 This is a book. 2、泛指人或物的类别，用于区别其它种类。 A plane is a machine that can fly. 3、泛指某人或者某物。 A girl is waiting for you. 4、用于表示时间、速度、价格等名词之前，表示“每一”的意思，相当于every。 two kilometres an hour five lessons a week. 5、不定冠词与序数词连用，表示“又一、再一”。 The cake is delicious, and I would like a second one. 6、不定冠词用在某些被具体化的物质名词或者抽象名词前，表示“一次、一场、一顿”等。 There will be a strong wind in the south of China. His new book was a great success. Oh, John. What a great surprise you gave us! a用在以辅音因素开头的单词前；an用在以辅音音素开头的单词前。 There is a supermarket near my home. There is an “f” in the word “five”. 特别提醒： 1、判断一个单词是以原因因素开头，还是以辅音音素开头，要根据其读音，而不是根据字母。 2、在26个字母中，前面用an的字母有：a, e, f, h, i, l, m, n, o, r, s, x，其余前面用a。 3、以字母u开头的单词要特别注意：an umbrella; an unusual story; a university 1、表示双方都知道的人或事物。 Give me the book, please. 2、表示特指的或上下文提到过的人或物。 Do you know the girl in red? I have a book. The book is interesting. 3、表示世界上独一无二的事物。 The earth moves around the sun. 4、用在序数词、形容词最高级以及对特定的两个名词进行比较时的比较级前面。 The first lesson is very easy. She is the