It has been 时间段 since 时间状语从句结构-2025-2026学年高中英语必修一句型易错点精讲（北师大版）

高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 寒假专版 【B版句型易错点精讲】It has been+时间 段+since.. 高中·北师大版·必修第一册 句型结构：It has been+时间段+since..(时间状语从句结构) 易错点1：since从句中误用延续性动词 核心知识点： since从句中若用延续性动词（如live,work,study等），表示该动作”结束'至今的时间；若 用非延续性动词（如leave,.stat,buy等），表示该动作”开始”至今的时间。需根据语境判断动词类 型。 典型错误： It has been three years since he lived here.(×,若想表达”他住在这里三年了，live为延续性动词，此 句实际意为”他不住在这里已经三年了”) 正确表达： He has lived here for three years..(√，表达'住在这里三年”) 或It has been three years since he moved here.(√，moved为非延续性动词，表”搬来这里三年”) 真题链接（北师大版高中必修第一册同步练习）： -How long has it been since you (join)the English club? —For two years. 答案：joined 解析：join为非延续性动词，since从句用一般过去时，表”加入俱乐部”这一动作开始至今 两年。 易错点2：主句时态错误 高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 核心知识点： It has been+时间段+since.主句固定用现在完成时(has/have been),表示从过去某时到” 现在”的时间段。 典型错误： It was five years since they got married.(x) 正确表达： It has been five years since they got married.( 真题链接（北师大版高中必修第一册基础训练）： It(be)ten years since we last saw each other. 答案：has been 解析：主句需用现在完成时，强调从”上次见面”到现在的十年时间。 易错点3：since从句时态错误 核心知识点： sce引导的时间状语从句通常用一般过去时，表示”自从过去某个动作发生以来'。 典型错误： It has been a month since I have arrived in Beijing.(x) 正确表达： It has been a month since I arrived in Beijing.( 例句对比： He has worked here since he graduated.(graduated为一般过去时，正确) It has rained a lot since the storm started.(started为一般过去时，正确) 易错点4：主句时间状语冗余 核心知识点： 主句中时间段”已包含”从过去到现在”的含义，无需额外添加'up to now'”so far”等时间状 语。 高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 典型错误： It has been two weeks up to now since she left.(×) 正确表达： It has been two weeks since she left.(√) 真题链接(北师大版高中必修第一册单元测试)： has it been since the new library opened? —About half a year. A.How often B.How long C.How soon 答案：B 解析：询问”时间段”用how long， 与since从句搭配， 主句无需重复时间状语。 句型易错点精准训练 一、单项选择(考查since句型时态与动词类型 1.It three years since he moved to Shanghai. A.is B.was C.has been 2.How long has it been since you the new school? A.start B.started C.have started 3.—Has Tom lived here for a long time? —No.It has been two months since he here. A.came B.has come C. lives 4.Neither the teacher nor the students aware that it has been ten years since the school . A.is； founded B.are； was founded C.are； founded 二、用所给单词的适当形式填空(考查since句型时态) 1.It (be) five years since we met last summer. 2.He (work) in this company since he (leave) college. 3 高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 3.How long has it been since you(buy)this mobile phone? 4.My mother (not see)her sister since they_(move)to different cities. 三、改正句子中的错误（考查since句型易错点） 1.It was two years since she joined the club. 2.He has lived here since he has graduated from university. 3.It has been three weeks up to now since they left Beijing. 4.It has been five months since my brother lives in London. 四、语篇填空（选自北师大版高中必修第一册同步阅读） Peter and I are good friends.1.(be)ten years since we first met at a summer camp.I still re- member he 2.(arrive)late on the first day because his train 3.(be)delayed.We 4.(become) roommates and 5.(share)many interesting experiences since then.Now Peter lives in Canada,but we 6.(keep)in touch by email.It 7.(be)three years since he 8.(move)there,and I miss him very much 参考答案 I.单项选择 1.C2B3.A4.B Ⅱ用所给单词的适当形式填空 1.has been 2.has worked;left 3.bought 4.hasn't seen;moved I.改正句子中的错误 1.It has been two years since she joined the club. 2.He has lived here since he graduated from university. 3.It has been three weeks since they left Beijing. 4.It has been five months since my brother moved to London. V.语篇填空 1.It has been 2.arrived 3.was 4.became 5have shared 6.have kept 7has been 8.moved 4