表语从句全解及练习.ppt

系动词的分类 主语 + 系动词 + 引导词 + 其他成分 This is why he did it. 分析： What I want to say is that I am tired. 主语从句 表语从句 表语从句 主句 系 动 词 状态系动词： 变化系动词： 感官系动词： 持续系动词： 表象系动词: 终止系动词: be grow, become, turn feel, smell, sound, taste prove, turn out seem, appear, look keep, remain, stay 连接词：that / whether /as if /as though 连接代词：who / whom / whose / which / what 连接副词：when / where / why / how / because 引导词 if不引导表语从句 It+连系动词+as though/as if 从句 This/That/It is because/why从句 句型：the reason (why…) is that …. 不能省略 that用法 The fact is that our team has won the game. 1）that 在表语从句中不能省略 2)主语是“建议，劝说，命令”的名词，如idea, suggestion, proposal, order, request, 表语从句中谓语动词用虚拟语气____________________，should可省略。　 My suggestion is that we (should) leave early tomorrow. “should + 动词原形” Whether 是否, 在句中______ __任何成分，___________。 The question is whether it is worth doing. 我的问题是你对它是否满意。 My question is whether you are satisfied with it. 注意：if 不能引导表语从句 不充当 不能省略 as if, as though 好像，似乎 It seems as if he knows everything. 他似乎知道所有事情。 It+连系动词+as though/as if 从句 look, seem, sound, is, become “看起来/似乎…” as if/as though引导的表语从句如果是事实，就用______________，如果与事实不符,就用_____________. It looks as if it’s going to rain. It is as though she were mad. 陈述语气 虚拟语气 事实 不是事实 注意点1 精典名题 When?a?pencil?is?partly?in?a?glass?of?water,?it?looks?as?if?it?_______.? A.breaks? B.has?broken? C.were?broken?D.had?been?broken?  because 因为 I didn’t go to work yesterday. That’s because I was ill. why …的原因 I didn’t do my homework, that’s why I was punished by my father . 只用于“This/That/It is because…”结构中 原因 结果 注意点2： 主句主语为reason, 只能用that引导表语从句，不可用because. 我不说话的是因为我害羞。 The reason why I dont speak is that Im shy. 句型：the reason (why…) is that …. 例题2： The reason why he failed is ________he was too careless. A. because B. that C. for D. because of B The problem is who can help her. The question is how he made it.? He has become?what?he wanted to be ten years ago. That i