专题 2 冠词框架结构图不定冠词的核心考点1
表示数量“一”,相当于“one”
I’ll return in a day or two
表示“同一”,相当于“the same”
The children are of an age
表示泛指或类指,指人或事物的某一个或某一类
He wants to be a doctor
A dog is a faithful animal
用于首次提到的单数可数名词前
Yesterday I bought a novel
It cost me 30 yuan
用于某一些表示重量、长度、时间等的单位前,表示“每一”
We have meals three times a day
用于专有名词前表示类似的一个或某一个,相当于“a certain”
A Mr Li is asking to see you
与某些物质名词或抽象名词连用,表示“一种/一类/一份/一场/一阵/……”
There was a heavy rain yesterday
He gave us a big surprise
用于序数词前表示“又一,再一”
He wanted to try a second time
表示季节、月份、日期、三餐的名词前有修饰语时,前面可用不定冠词
We have a warm winter this year
This evening I had a big supper
用在某些固定词组中
have a swim all of a suddenonce in a while as a result (of)in a hurry as a wholeat a time1定冠词的核心考点1
用于上文提到过的人或事物前
I have bought a book
The book is very useful