泛指(表总体)的四种形式:
a+[c]sl.(可数名词的单数形式) 强调每一个
the+[c]sl.
[c]pl
[u]
例子:A bike is a very useful transport tool.
The bike is a very useful transport tool.
Bikes are very useful transport tool.
Knowledge is power(knowledge是不可数名词)
都表示自行车(泛指概念)是一种有用的交通工具.
特指的两种形式:
the+[c]pl.(可数名词的复数形式)
the+[u](不可数名词)
另外 名词后面有介词短语(I like the view from the window)分词短语(The milk sold in the shop is not fresh)定语从句(The girl who lives next door is calld Rose),要在这些名词前面用the
嗯 a little child指一个小的(年龄、体形 )孩子