初中英语表语从句经典讲解-练习.ppt

表语从句;Ⅰ. Definition（定义） 表语是用来说明主语的身份、性质、品性、特征和状态的，表语常由名词、代词、数词、动词过去分词、动词的-ing形式、副词、介词短语、形容词、不定式和从句等来充当。;Eg. （例子） The person stood in front of you just now is my headmaster. 刚才站在你前面的那个人是我的校长。 I didn’t know that it was you at that time. 当时我不知道那是你。 The door remained closed. 门仍然关着。 Mary’s daily job is cleaning the house. 玛丽的日常工作就是打扫这间房子。;;观察思考：;表语从句的定义;2. 表语从句的构成;可以接表语从句的系动词有： 1: be（being,been,am,is,are,was,were) 2: feel , seem , look, appear ,sound, taste , smell 3: stand , lie , remain ,keep, stay 4: become ,get , grow , turn ,go ,come, run,fall 5: prove, turn out ;连接词：that / whether /as if /as though (if不引导表语从句) 连接代词：who / whom / whose / which / what 连接副词：when / where / why / how / because ;Predictive clause 表语从句 1. that 1) that 在从句中不担任句子成分，无实际意义，一般不能省略 2)在表“建议，劝说，命令”的名词idea, suggestion, request, proposal 等后面的表语从句中，谓语动词用“should + 动词原形”，should可省略 My opinion is that it’s getting better and better. My suggesstion is that we (should) start early tomorrow.;whether在表语从句中表 ,但不充当句子的成分。if 引导表语从句.如: 1.What the doctor really doubts is whether my mother will recover from the serious disease soon. 2. The question is whether it is worth doing.;whether;as if, as though 引导的表语从句 as if/though引导的表语从句常置于连系动词look, seem, sound, be, become等后面，常用虚拟语气，表示不存在的动作或状态。 e.g. It sounds as if/though somebody was knocking at the door. ;*as if/as though引导的表语从句如果是事实，就用陈述语气；如果与事实不符，就用虚拟语气(主句一般现在时从句就用过去式，be的话变成were。主句是过去式，从句用过去完成时)。 It looks as if he were her own father.(与事实不符) Dark clouds are gathering. It looks as if it’s going to rain.;As /as if、as though ;because;that, why?与?because?引导表语从句时的区别 ;;注意：;例题2： The reason why he failed is ________he was too careless. A. because B. that C. for D. because of;连接代词who, whom, whose, what, which, whoever, whatever, whichever 连接副词 where, when, how, why。;where, when, why, how引导的表语从句 连接副词where, when, why, how除在句中起连接作用外，在从句中还充当时间、地点、方式、原因状语，本身具有词义。 e