英语译林牛津版必修1Unit2第89课时优质教案[ 高考]_牛津译林版必修二教案

英语译林牛津版必修1Unit2第89课时优质教案[ 高考]由刀豆文库小编整理，希望给你工作、学习、生活带来方便，猜你可能喜欢“牛津译林版必修二教案”。

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意思往往不明确；非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开，比较：

My sister who is working in Beijing is a nurse.My sister, who is working in Beijing, is a nurse.2.非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数，例如：

He seems not to have grasped what I meant, which greatly upsets me.说明：关系代词that和关系副词why不能引导非限制性定语从句。关系代词as 的用法

(1).例1.the same… as；such…as 中的as 是一种固定结构, 和……一样…… I have got into the same trouble as he(has).(2).例2.as可引导非限制性从句，常带有'正如'。As we know, smoking is harmful to one's health.as, which 非限定性定语从句

由as, which 引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that。As一般放在句首，which在句中。

As we know, smoking is harmful to one's health.The sun heats the earth, which is very important to us.Step six tips “One of the +复数名词”后面定语从句中谓语单复数情况

这一结构后面的定语从句的谓语动词通常用复数形式，跟定语从句所靠近的那个复数名词在数上保持一致。如：

That is one of the books that are required for study at school.如果one of +复数名词这一结构前面带有the only、the very之类的限定语，后面定语从句的谓语动词则要用单数形式，这是因为定语从句在意义上修饰的是而不是那个复数名词。如： He is the only one of the teachers who knows French in our school.▃ ▄ ▅ ▆ ▇ █ █ ■ ▓点亮心灯 ~~~///(^v^)~~~ 照亮人生 ▃ ▄ ▅ ▆ ▇ █ █ ■ ▓