对过去推测结构-2025-2026学年高中英语必修三句型真题直击（北师大版）

高中必修第三册北师大版 【核心句型专练】 D版真题直击 核心句型 【D版句型真题直击】Sb.might have done sth. 高中口北师大版口必修第三册 句型结构 Sb.might have done sth 含义：表示对过去情况的推测，意为”可能（已经）做了某事，语气不确定。 直击真题高效讲 真题1（单项选择口月考真题） -Why didn't Alice attend the meeting yesterday? -She but I'm not sure. A.must be B.might have been C.should have been 答案：B 核心知识点： 1.含义考点：might have done表示对过去情况的推测，意为”可能（已经）做了某事”，语气不确 定。本句推测Alice昨天没参会”可能是生病了”，符合语境。 2.时态考点：针对过去发生的事情（昨天没参会）进行推测，需用”情态动词+have done'”结构。 3.千扰项排除：must be（对现在情况的肯定推测)时态不符：should have been(本应该)表建议或 责备，含义不符。 真题2（句型转换☐期中真题) Maybe Tom finished his homework before dinner..(用might have done改写句子) 答案：Tom might have finished his homework before dinner. 1 高中必修第三册北师大版 【核心句型专练】 D版真题直击 核心知识点： 1.结构考点：might have done结构中，might后接have+过去分词，此处finished为过去分词，符 合语法规则。 2.改写原则：保持原句'对过去情况的可能性推测”含义，将maybe替换为might have done结构， 调整语序使句子通顺。 真题3（用所给词的适当形式填空口期末真题） The window is broken.Someone might have (break)it by accident. 答案：broken 核心知识点： 1.结构核心考点：might have done结构中，have后必须接动词的过去分词形式。break的过去分词 为broken,需注意不规则变化。 2.语境逻辑：”窗户破了”暗示过去发生的动作，用might have broken表示对过去动作的推测，符 合逻辑。 真题4（完成句子口月考真题） 她昨天可能没收到我的消息。 She might my message yesterday. 答案：not have received 核心知识点： l.否定结构考点：might have done的否定形式为might not have done,.需在have前加not。 2.动词形式考点：receive的过去分词为received,符合have-过去分词结构。 真题5（语篇填空☐期末真题片段） A:The concert started an hour ago.Why hasn't John arrived? B:He might have (miss)the bus,or maybe he forgot the time 答案：missed 核心知识点： l.固定结构应用：might have done用于对过去未发生的事情（没赶上公交车）进行推测，miss的 过去分词为missed,符合”情态动词+have+过去分词'规则。 2.语境衔接：空格后”or maybe.”表示并列推测，前后逻辑一致，均为对过去情况的可能性猜测。 高中必修第三册北师大版 【核心句型专练】 D版真题直击 真题6（判断改错☐期中真题） They might have went to the library,butI'n not sure.(找出错误并改正) 答案：将went改为gone 核心知识点： 1.易错点警示：might have done结构中，have后必须接动词的过去分词，而非过去式。go的过去 分词是gone,went是过去式，此处为常见错误，需特别注意不规则动词的过去分词变化。 真题精准训练 一、 单项选择（考查might have done的含义及结构） 1.-Why didn't Peter answer the phone last night? —He asleep,but I'm not sure. A.must be B.might have been C.should have been 2.She the early bus,because she arrived half an hour late. A.might miss B.might have missed C.should miss 3.-The room is empty.Where is everyone? -They to the park,but I'm not certain A.might go B.might have gone C.must have gone 二、 用所给词的适当形式填空（考查might have done的动词形式） 1.The door is open.Someone might have (leave)it unlocked. 2.He looks sad.He might have (hear）the bad news. 3.The ground is wet.It might have (rain)last night. 4.She didn't come to the party.She might have (forget)the date. 3 高中必修第三册北师大版 【核心句型专练】D版真题直击 三、句型转换（考查用might have done改写句子） 1.Maybe Susan finished her project before the deadline.might have done) 2.Perhaps they saw the movie last week.(用might have done改写) 四、完成句子（考查might have done的否定及汉译英） 1.他昨天可能没看到那封信。 He might the letter yesterday. 2.他们可能还没完成作业。 They might their homework yet. 五、语篇填空（考查might have done在语境中的应用） A:Why is the classroom so quiet?The students (have)a test,but I'm not sure. B:No,the teacher said they wouldhave a discussion today.They (start)early,or maybe they're waiting for the teacher. 参考答案 一、单项选择 1.B2.B3.B 二、用所给词的适当形式填空 1.left 2.heard 3.rained 4.forgotten 三、句型转换 1.Susan might have finished her project before the deadline. 2.They might have seen the movie last week. 四、完成句子 1.not have seen 高中必修第三册北师大版 【核心句型专练】D版真题直击 2.not have finished 五、语篇填空 1.might have had 2.might have started 5