聪明出于勤奋，天才在于积累。我们要振作精神，下苦功学习。精品学习网编辑四年级上学期英语定冠词的用法，以备借鉴。

一、定冠词不与表示一类人或事物的复数名词连用例如：

1. I like reading the books.(×)I like reading books.(√)

2. She likes the cats.(×)She likes cats.(√)

二、定冠词不能用在某些习惯用语中的名词前面例如：

1. I have lunch at the noon.(×)I have lunch at noon.(√)

2. We go to school by the bus.(×)We go to school by bus.(√)

三、定冠词不能用在某些专用名词和不可数名词前面例如：

1. I like the China.(×)I like China.(√)

2. Would you like a cup of the water? (×)

Would you like a cup of water?(√)

四、定冠词不能用在节日、日期、月份、季节前面例如：

1. Today is the Teachers' Day. (×)

Today is Teachers' Day.(√)

2. He was born in the May in 1987. (×)

He was born in May in 1987. (√)

五、定冠词不能用在表示称呼语或某些头衔的名词前面（尤其作表语、宾补时）例如：

1. Good morning, the sir!(×)

Good morning, sir! (√)

2. I need some help, the Mummy.(×)

I need some help, Mummy.(√)

六、定冠词不能与名词前已有作定语用的this, that, my, your, some, any等代词连用例如：

1. This the pen is mine. (×)

This pen is mine.(√)

2. I have the some money. (×)

I have some money. (√)