1、名词的数、冠词一.名词：名词单复数（一）名词单复数1一般情况，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2以 s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches注：以-th 结尾的名词加-s，如 month-months truth-truths3以“f 或 fe”结尾，变 f或 fe为 v, 再加-es，如：knife-knives注：部分直接加-s，如 belief-beliefs 4以“辅音字母+y”结尾，变 y为 i, 再加-es，如：fa
2、mily-families, strawberry-strawberries ，story-stories city-cities5. 以元音字母+y 结尾的名词，加-s如：toy-toys boy-boys day-days 6.以字母-o 结尾的名词1）辅音字母+-o 结尾一般加-es，如：hero-heroes potato-potatoes tomato-tomatoes。巧学妙记：英雄（hero）爱吃西红柿（tomato）和土豆（potato）2）部分辅音字母加-o 的名词，加-s：piano-pianos photo-photos kilo-kilos3）以元音字母加-o 结尾的名
3、词加-sradio-radios zoo-zoos 7不规则名词复数：man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-micechild-children, foot-feet, tooth-teeth, fish-fish, people-people, Chinese-Chinese, Japanese-Japanese不可数名词的复数是原型： paper, juice, water, milk, rice, tea二、冠词：不定冠词，定冠词种类：（1）不定冠词：a / an a unit
4、/ an uncle （元音开头的可数名词前用 an : an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress /an e-mail / an address / an event / an example / an opera / an hour/an old man / an interesting book / an exciting sport / an action movie / an art lesson）（2）定冠词：
5、the，如 the egg the plane2. 用法:定冠词 the的用法：（1）特指某（些）人或某（些）物： The ruler is on the desk. （2）复述上文提到的人或物：He has a sweater. The sweater is new.（3）谈话双方都知道的人或物：The boys arent at school.（4）在序数词前： Johns birthday is February the second.（5）用于固定词组中： in the morning / afternoon / evening 不用冠词的情况：（1）专有名词前：China is a
6、big country. （2）名词前有定语：this , that , my , your , some, any , no 等：This is my baseball.（3）复数名词表示一类人和事：Monkeys cant swim. They are teachers.（4）在节日，日期，月份，季节前：Today is Christmas Day. Its Sunday.（5）一日三餐前：We have breakfast at 6:30.（6）球类 棋类运动前：They often play football after class. He plays chess at home.*
7、但乐器前要用定冠词 the：I play the guitar very well.（7）学科名称前：My favorite subject is music.（8）在称呼或头衔的名词前：This is Mr Li.（9）固定词组中：at noon at night by bus练习：1. _ earth is one of _ planets.A. The ; suns B. The ; the sun C. The ; the suns D. The ; the suns2.Tokyo is _.A. the capital of Japan B. capital of JapanC. J
8、apan capital D. a capital of Japan3. Kate sometimes plays _ violin and sometimes plays _ table tennis before supper.A. / ; the B. the ; / C. the ; the D. / ; /4. Have you seen _ pencil? I left it here this morning.-Is it _ red one ? I saw it.A. a ; the B. the ; the C. the ; a D. a ; a5.There is_ orange tree behind_ house.A. an ; the B. a ; a C. the ; the D. an ; /6.How long did you stay there ?-About half _ hour.A. / B. one C. a D. an
