文档介绍:1分类?冠词?名词?代词?形容词?副词?数词?介词? Can 句型? There be 句型?动词?时态 2一、冠词 1、基本用法: ?不定冠词仅用在单数可数名词前面,表示“一”的意义,但不强调数目观念,只表示名词为不特定者。?定冠词则表示名词为特定者,表示“这”,“那”,“这些”, “那些”的意思,在可数的单复数名词或不可数名词前面都可以用。?第一次提到某人或某物时,用不定冠词 a或 an ,表示泛指。再次提到某人或某物时,用定冠词 the ,特指上文提到的人、事或物。如: There is a pen and a pencil in my pencil- case. The pen is red and the pencil is black. 不定冠词: a, an 定冠词: the 3 2、A与 an 的用法区别: a用于辅音音素前(辅音音素指的是发音,不是指辅音字母),如: a u niversity student 而 an 则用于元音音素前(不是元音字母),如: an egg, an orange, an onion. 1) [i:] sea 2) [i] sit 3) [e] bed 4) [ ae] bad 5) [a:] car 6) [ ?] hot, want 7) [ ?:] door 8) [u:] good 9) [u] look 10) [ ∧] cup 11) [ ? :] girl 12) [ ? ]Saturday 13) [ei] cake 14) [ai] bike 15) [ ? u ] cold 16) [au] house 17) [ ? i ] boy 18) [i ? ] dear 19) [ ? ] care 20) [ u ? ] tour 4 3、定冠词与零冠词的用法区别: ?在序数词和形容词的最高级前面用 the ,如: The library is on the first floor. Summer is the hottest season of the year. ?在乐器名词前用 the, 表示演奏,如: play the piano, play the violin, play the guitar 等。?在球类、三餐前通常不用冠词,如: play football, play baseball, eat lunch, eat dinner 等。?在月份、星期、季节等名词的前面通常不用冠词,如: in Jan uary , on Monday, in summer 等。 5 Exercise: 1. Gilbert is ________ Italian taxi driver. 2. She is _______ housewife. 3. I'm ________ English. 4. He's ________ American policeman. 5. He likes ______ book in his shelf. 6. Robert is ________ engineer. 7. He is playing ________ violin. 8. He is playing ______ football. 9. Sophie is on ________ second floor. 10. She e back on ____ Monday. 6二、名词可数名词和不可数名词变化规则例词一般情况下在词尾加-s book---books pen---pens 以-s /-x /-ch /-sh 结尾的名词在词尾加-es box---boxes bus---buses 以辅音字母加-y结尾的单词,要变 y为 i,再加-es family---families baby---babies (以元音字母加-y结尾的单词直接加-s: boy---boys key---keys) 以f或 fe结尾的词,多数把 f或 fe变为 v,再加- es leaf---leaves knife---knives 以o结尾的词,有生命的加-es, 无生命的加-s tomato---tomatoes potato---potatoes zoo--zoos photo---photos ?名词复数形式的规则变化: 7 ?名词复数形式的特殊变化: 1. 改变中间元音字母, 如: ma