精品名词性从句课件.ppt

volunteers The pictures tell us about v _________ work. The pictures tell us that we should do some voluntary work. It’ s our social responsibility. That we should do some voluntary work. “ It” refers to …? Replace “ it “! That we should do some voluntary work is our social responsibility. 宾语宾语从句充当主语 subject 主语从句 Develop it It’ s our social responsibility that we should do some voluntary work . 形式主语 Our social responsibility is _____ we should do some voluntary work. Our social responsibility ______ we should do some voluntary work is necessary. that that 表语从句同位语从句 oluntary 名词性从句 Noun clause 名词性从句 noun clause 主语从句 subject clause 宾语从句 object clause 表语从句 predicative clause 同位语从句 appositive clause 相关概念 :表示人或事物的名称的词 :名词在句中主要作主语,宾语,表语和同位语。另外还可以作定语,状语。 : 在英语的句子结构中,本来该由名词充当的主语、宾语、表语和同位语,由一个句子来充当,这个句子就叫:名词性从句。 1. When we will start is not clear. Black won ’ t believe that her son has e a thief. 3. My idea is that we should do it right now. had no idea that you were her friend. 主语从句宾语从句表语从句同位语从句辨别下列名词性从句的类别(动词、介词、形容词之后的宾从) 连接词的分类?引导名词性从句的连接词可分为三类: ?连接代词: who,whose,whom,what,which . ?连接副词: when , where , why , how. ?连接词: that , whether , if, as if. 注意:连接代词与连接副词在从句中充当成分,连接词 that, whether 和 if, as if 在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词, 连接副词, whether, if 和 as if 都用不上时,才用 that 作连接词( that 本身无任何含义)。 1. That he will eed is certain . 2. Whether he will go there is not known . 3. What he said is not true . 4. Where he hid the money is to be found out . 5. es is e. 主语{ His job is important . What he does is important . 主语从句一般有三种结构: 1. 主语从句+谓语 That she will win the match is certain. +形容词(名词词组、过去分词) +that 从句 It is important that we teens should learn English . It is a good news that he will attend the meeting on behalf of our school. It is said that our school will hold a sports meeting 3. It +seem (happen , appear 等不及物动词)+that 从句 It seems that Katy is ing to this party .