Unit 3 单元语法知识点+课后练习 2023-2024学年人教版英语七年级下册

GRAMMAR 语法精讲 语法专题：how、how long、how far引导的特殊疑问句 一、用法 1. 引导问句表示”问候”或询问”状况”，以how引导问句向他人表示问候或询问某事或某人的进展或状况。例如： how 怎样 问健康状况、 做事的方式等 He is fine/strong. How is he? I go home by bike. How do you go home? Everything is ok. How is everything? I’m getting well with my classmates. How do you get on with your classmates? It’s sunny. How is the weather today? 今天天气怎样? (相当于What’s the weather like today?) 注意：礼貌用语”How do you do?”(你好!)不是向人提问,而是打招呼,它的答语仍是:”How do you do?”；”How are you?”(你好吗?)的答语为”Fine, thank you.” “I’m well/OK/all right.”等。 2. how long对时间、物品长度提出疑问。回答时间长度时常根据实际情况选用:”about+时间段”、”for +时间段”或”since+时间点”。例如： how long 多久 问一段时间， 问物体的长短 He has lived here for a year. How long has he lived here? The desk is one meters long. How long is the desk? I’ve worked in that factory for two years. How long have you worked in that factory? The bridge is 200 metres. How long is the bridge? 3. how far多远，问距离。例如： how far 多远 问路程 It’s five kilometers from here. How far is it from here? 【例】完成下列对话。 （1）_________ do you go to work? By car. （2）_________ is the nearest post office? It’s five minutes’ walk from here. （3）_________ is the river in front of my house? It’s over 300 km. Keys: How; How far; How long 二、句子的构成 Be(Am; Is; Are; Was; Were)+主语+其他？ 特殊疑问词(组) +一般疑问句 助动词/情态动词+主语+动词原形+其他？ e.g. The night with Mary was joyful. How was the night with Mary? 疑问词 Be 主 其他 He attracts me with his smile. How does he attracts you? 疑问词 助动词 主 动词原形 其他 Scientists can figure it out by calculating. How can scientists figure it out? 疑问词 情态动词 主 动词原形 其他 即学即练 一、完成图片对话。 _____________________________________________________? I slept for 10 hours last night. _____________________________________________________? I sneak into(潜入) the house with my tools. The sky is millions of km. from the ground. _____________________________________________________? Keys: How long did you sleep last night? How do you sneak int