6、a / an 的区别 a 用在辅音音素开头的单数可数名词或字母前,an 用在元音音素
开头的单数可数名词或字母前. 特殊词:
a usual boy ; a useful book ; a university ; a one –leg dog
an honest boy ; an hour ; an honor
1名词前已有作定语的指零示冠代词词、不物用主代冠词词或不定代词等限定词.
eg:The letter is in her bag.
I have some questions.
2专有名词、物质名词和抽象名词等不可数名词前.
eg :China,water,music, etc.
3球类活动、学科名词、一日三餐前.
定冠不定冠 意思差千万
有些名词前用冠词或不用冠词,其意义有所不同.
1at table在吃饭;
at the table在桌子旁
2in class在上课;
in the class在班级中
3go to school去上学; go to the school到那所学校去
4go to bed上床睡觉; go to the bed到床那边去
4. There is _a_n_ orange on the table .
_t_h_e orange is mine . 5. I live on __t_h_e twelfth floor. 6. __T_h_e Great Wall is _t_h_e_oldest building.
7. I havea_n__aunt . _th__e aunt is __a__ doctor.
10用在少数名词化的形容词前表示一类人或事物. eg :the old, the poor, the blind, etc. 11用在表示方向位置的名词前. eg :in the east, on the right, in the centre, etc. 12用在由普通名词构成的专有名词前. eg :the People’s Republic of China, etc. 13用在某些习惯用语中. eg :in the morning, by the way, look the same, etc