定语从句的用法PPT
定语从句是英语语法中一个重要的部分，它用于修饰名词或代词，提供更多的信息。定语从句通常由关系代词或关系副词引导，这些词在从句中充当一定的成分。下面我们将详...
定语从句是英语语法中一个重要的部分，它用于修饰名词或代词，提供更多的信息。定语从句通常由关系代词或关系副词引导，这些词在从句中充当一定的成分。下面我们将详细介绍定语从句的用法。 关系代词引导的定语从句关系代词包括that, which, who, whom, whose, as等。它们在从句中充当主语、宾语或表语。1.1 That引导的定语从句That常用于修饰一个事物或人，它在从句中充当主语或宾语。例如：The book that I borrowed from the library is very interestingThe person that you met at the party is my friend1.2 Which引导的定语从句Which常用于修饰事物，它在从句中充当主语或宾语。例如：The car which he drives is a BMWThe restaurant which we visited last night is excellent1.3 Who, Whom引导的定语从句Who, Whom常用于修饰人，Who在从句中充当主语，Whom在从句中充当宾语。例如：The person who won the award is a famous scientistThe girl whom he dated last week is his ex-girlfriend1.4whose引导的定语从句whose常用于修饰事物或人，它在从句中充当定语。例如：The book whose cover is blue is mineThe man whose house was burgled last night is a wealthy businessman1.5 As引导的定语从句As常用于引导一个非限制性定语从句，它放在主句之后，对主句进行补充说明。例如：He studies hardas is expected of himShe is a kind-hearted personas everyone knows 关系副词引导的定语从句关系副词包括where, when, why等，它们在从句中充当状语。2.1 Where引导的定语从句Where常用于修饰地点，它在从句中充当状语。例如：The place where we had our picnic is a beautiful beachThe office where he works is located in the city center2.2 When引导的定语从句When常用于修饰时间，它在从句中充当状语。例如：The day when we met for the first time was a sunny oneThe moment when she received the award was a proud one for her family2.3 Why引导的定语从句Why常用于修饰原因，它在从句中充当状语。例如：The reason why he was late for work was that he got stuck in trafficThe explanation why she chose to study abroad was to broaden her horizons 使用定语从句时应注意的事项在使用定语从句时，应注意以下几点：关系代词或关系副词必须紧跟在先行词之后关系代词或关系副词必须放在从句的适当位置当先行词是物时关系代词可用that或which；当先行词是人时，关系代词可用that, who, whom等；当关系代词作宾语时，通常用which或whom；当关系代词作定语并表示所属关系时，用whose
