资源描述
专项练习-冠词aanthe,Free powerpoint template: ,2,冠词a和an,a/an在英语中被称为不定冠词。它们表示一（个，只，本，件，块，片），在意义上没有区别。 用a/an时，我们必须记住两条基本原则：,a/an有不确定的意义。（即所说 的人、动物或东西对听者或读者来说 可能是不知道的）如：I am a girl. A dog has four legs. a/an只能用于单数可数名词之前。,Free powerpoint template: ,3,在英语中，液状、气状物体、肉类、粉类等很多都属于不可数名词，前面不能够带有不定冠词（a an )。 例如cola 可乐，milk 牛奶，water 水和 gas 汽油，等等。,例如：a book （一本书）， an eraser（一块橡皮）,Free powerpoint template: ,4,此外还需注意a和an的发音：,n用于元音（以元音字母a，e，i， o，u开头的词大多都是）之前。,an,a（在平时讲话中发 音），用于辅音（不是辅 音字母）之前；,Free powerpoint template: ,5,专项训练I：用a, an 填空。 1. -Whats this in English? -Its _ bus. 2. Whats that in English? -Its _ pen. 3. Is this _ apple? -No, its _ egg. 4. It is _ cake. 5. Is that _ pencil? -No, its _ eraser. 6. Thats _ English car. 7. It is _ phone. 8. Whats that in English? -Its _ car. 9. I am _ teacher. 10. This is _ old desk.,a,a,an,an,a,a,a,an,an,a,a,an,Free powerpoint template: ,6,the 的用法,1，一般用于特指：The girl is my sister. 那个女孩是我的妹妹。 2，第二次出现（上文提过的人或事）：There is a book on the desk. The book is mine.(桌子上有一本书，那本书是我的。） 3，世界上独一无二的： The moon（月亮） the earth（地球 ） the sun（太阳） the Great Wall（长城）,Free powerpoint template: ,7,4，词组： on the desk in the classroom water the plants clean the room 等等 5、用于序数词和形容词的最高级前： January is the first month of the year. February is the second month of the year. Jenny is the oldest girl in the class. I am the youngest in my family.,Free powerpoint template: ,8,练习：,1， Tom wants to be scientist(科学家） 。He wants to go to moon. 2 Jenny has uncle and cousin. 3,I have eraser. Eraser is in my bag. 4, boy is Toms brother. 5, The bird was here hour ago.,a,the,an,a,an,The,The,an,
展开阅读全文