过去完成时by the time before标志词-2025-2026学年八年级英语下册语法直击真题精讲（北师大版）

8下北师大版 【语法专项】 过去完成时真题精讲 语法专项 过去完成时(by the time/before标志词) 真题精讲与演练 直击真题高效讲 真题一：单项选择（基础用法辨析） (2024北京海淀月考，北师大版) By the time I got to the station the train Aleft Bhas left Chad left D will leave 答案：C 核心知识点： by the time引导时间状语从句，从句用一般过去时，主句用过去完成时(had+过去分词)，表示 “在过去某个动作发生之前已经完成的动作”。 解析：从句got to是一般过去时，主句“火车离开”发生在“到达”之前，用过去完成时had left。 真题二：单项选择(before标志词辨析) (2023陕西西安期中，北师大版) He told me he the movie twice before he came here A sees B saw Chas seen Dhad seen 答案：D 核心知识点： before引导时间状语从句，从句用一般过去时，主句用过去完成时(had+过去分词)，强调“过去 的过去”。 解析：从句came是一般过去时，主句“看电影”发生在“来这里”之前，用过去完成时had seen。 真题三：用所给词的适当形式填空（时态运用） (2024广东深圳期末，北师大版) 8下北师大版 【语法专项】 过去完成时真题精讲 We (finish)our homework before our parents came back She said she (never visit)the Great Wall before 答案：1.had finished2.had never visited 核心知识点： before引导时间状语从句，从句为一般过去时，主句用过去完成时(had+过去分词)。 never等否定词置于had之后，过去分词之前。 解析：第一句从句came是过去时，主句“完成作业”用had finished:第二句said是过去时，“从 未参观”用had never visited。 真题四：句型转换（否定句） (2023江苏南京月考，北师大版) They had cleaned the room by the time I arrived(改为否定句) Theythe room by the time I arrived 答案：hadn't cleaned 核心知识点： 过去完成时的否定形式是在had后加not,缩写为hah't,后面接动词过去分词。 解析：原句是过去完成时，否定形式在had后加not,缩写为hadn't,cleaned保持不变。 真题五：短文填空（语境综合运用） (2024浙江杭州期中，北师大版) When Tom got to the party most people(already leave)He felt sad because he(tell)the wrong time by his sister Before that day his sister(make)the same mistake twice 答案：1.had already left2.had been told3.had made 核心知识点： by the time/.before引导的时间状语从句用一般过去时，主句用过去完成时；过去完成时还可用于宾 语从句中，当主句为一般过去时，从句表示“过去的过去”时使用。 解析：第一空got是过去时，“人们离开”在前，用had already left:第二空felt是过去时，“被告 知错误时间”在前，用had been told:第三空Before that day表示“过去的过去”，用had made。 真题综合演练 真题综合演练 1单项选择 1.By the time I woke up this morning,my mom breakfast. A cook B cooks 2 8下北师大版 【语法专项】 过去完成时真题精讲 C has cooked D had cooked 2.He said he the museum three times before last month A visits B visited Chas visited D had visited Ⅱ.用所给词的适当形式填空 1.They(finish)their project before the teacher checked it yesterday. 2.She told me she(never see)such a beautiful sunset before. 血.句型转换 l.My brother had finished his homework when I called him.(改为否定句) 2.We had learned 1000 words by the end of last term.(改为一般疑问句并作否定回答) V.短文填空 When Mary arrived at the bookstore,the last copy of the book(already sell out).She was upset because she(promise)to buy it for her friend.Before that,the bookstore(run out)of this book twice this month. 综合演练参考答案 I.单项选择 1.D2.D Ⅱ.用所给词的适当形式填空 1.had finished 2.had never seen 皿.句型转换 1.My brother hadn't finished his homework when I called him. 2.Had you learned 1000 words by the end of last term?No,we hadn't. 8下北师大版 【语法专项】 过去完成时真题精讲 V.短文填空 1.had already sold out 2.had promised 3.had run out 4