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课件网) B6U3 gammar and usage Yesterday is history. Tomorrow is a mystery. Today is a gift. That’s why it’s called the present! 昨日之日不可知， 明日之日不可求， 而今天是一笔财富， 这就是为什么我们称其为现今（现金）。 Yesterday is history. Tomorrow is a mystery. Today is a gift. 表语（predictive） Sima Qian was a great Chinese historian. Reading many books is good. The stories were about Confucius, Liu bang and so on. My only ambition is to be a great historian. My only ambition is that I can be a great historian. That’s why it’s called the present! 名词作表语 形容词作表语 介词短语作表语 非谓语作表语 从句作表语时，叫表语从句 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,它常位于系动词之后。 名词性从句 定语从句 状语从句 主语从句 宾语从句 表语从句 同位语从句 表语从句（predictive clause） 的性质 主语 系动词 表语从句 1）定义： 表语从句是指_____, 紧跟在_____之后，对主语进行解释、说明，使主语的内容具体化。用_____语序。 2）结构：_____。 在复合句中作主句表语的句子 系动词 主语+系动词+引导词+简单句 陈述 表语从句定义与结构 My only ambition is that I can be a great historian. 名词性从句 定语从句 状语从句 表语从句学什么 系动词 （谓语动词） 引导词 特殊形式 Linking Verbs 系动词 be动词 感官类 变化类 am, is, are, was, were look, sound, smell, taste, feel, seem,appear 变得：become, get, turn, grow; 保持：keep, hold, stay, stand, remain; 系动词 ”证明” prove 名词性从句 定语从句 状语从句 表语从句学什么 系动词 （谓语动词） 引导词 特殊形式 表语从句中的连接词 词性 名词性从句基本连接词 专用于表从的连接词 从属连词 that, whether, if 连接代词 who(ever) whom(ever) what (ever) which (ever) whose (ever) 连接副词 when where how why because, as if, as though (1) that / what what 1)The city is no longer _____ it was ten years ago. 2) The fact is _____ we should depend on ourselves. that the city that = _____surprised me most was _____ he spoke Spanish so fluently. that What what可以表示“什么，什么样子，或所…的（人或事）” ((2)as if / as though “似乎、好像” 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(从句表示与现在事实相反，谓语动词用一般过去式；从句表示与过去事实相反，谓语动词用had +过去分词；从句表示将来的可能性不大，用would/might/could+动词原形)。 1. He looks as if he _____(be) a rich man. 2. He looked just as if he _____(look）ten years before. 3. It looks as if it might rain. were had looked (3) because / why because 1) He failed the math exam. That’s _____he was too careless. 2) He was too careless. That’s _____ he failed the math exam. why The reason _____ he was absent from the meeting was _____ he fell ill suddenly. that why 用法归纳： This/That/It is/was because+原因… This/That/It is/was why+结果… The reason why+结果...is/was that+原因... Working out the rules statement yes-no question wh-question 名词性从句 定语从句 状语从句 表语从句学什么 系动词 （谓语 ... ...
