主语 have/has 过去分词 since 时间点/从句-2025-2026学年八年级英语下册句型辨析（北师大版）

初二下册北师大版 【寒假专版】 C版句型辨析 寒假专版 【C版句型辨析】主语+have/has+过去分 词+since+时间点/从句 初中英语·北师大版初二下册 句型辨析精讲 辨析一since+时间点vs for+时间段 维度 since+时间点 for+时间段 核心含义 从过去某一时刻开始，持续到动作/状态持续的时长 现在 时间表达形式具体时间点（如2020年、last 时间段（如3 years、two hours、. week、when从句) a long time) 例句对比 I have lived here since2018.(从2018年开始，持续到现在) I have lived here for5 years.(持续5年，到现在结束) 真题链接（北师大版初二下册月考真题） My brother in this cityhe was born. A.lived;for B.has lived;since C.has lived;for 答案：B解析：“since+时间点(he was born)”与现在完成时连用，for后接时间段，排除C:“出 生”是过去时间点，用since,.选B。 初二下册北师大版 【寒假专版】 C版句型辨析 辨析二since+时间点vs from+时间点 维度 since+时间点 from+时间点 时态搭配 仅用于现在完成时（含否 可用于多种时态（一般现在 定/疑问) 时、一般过去时、将来时等) 持续含义隐含“从过去持续到现在” 仅表示“从某时开始”，不强 调持续 例句对比 She has studied English since2020.(现在完成时，持续到现在) She studies English from8:00 every morning.(一般现在时，仅表开始时间) 真题链接（北师大版初二下册同步练习） -How long have you learned French? -_2019. A.Since B.From C.For 答案：A解析：问句用现在完成时提问时长，since后接时间点，from不用于完成时，for接时间 段，选A。 辨析三since+从句vs when+从句 维度 since+从句 when+从句 从句时态从句用一般过去时，主句用现 从句可根据语境用各种时态 在完成时 (主从时态一致或呼应) 逻辑关系 强调“从过去动作发生时起， 强调“当…时”，主句动作 主句动作持续到现在” 与从句动作同时或先后发生 例句对比 I have been happy since I met you.(从句met是过去时，主句持续到现在) I was reading when the phone rang.(从句rang是过去时，主句动作同时发生) 真题链接（北师大版初二下册期末真题） 2 初二下册北师大版 【寒假专版】C版句型辨析 He in this schoolhe came to this city. A.taught;when B.has taught;since C.teaches;from 答案：B解析：“came”是一般过去时，主句需用现在完成时表持续，since符合“从过去到现在” 逻辑，选B。 综合训练 1.My sister in this town she was five years old. A.lives;when B.has lived;since C.lived;for 2.-How long has Mr.Wang taught here? 一2015. A.From B.Since C.For 3.Theynever_to the Great Wall_they moved to Beijing A.have;been;since B.went;when C.are;going;from l.She has kept this book一two weeks.(用for/since填空) 2._he came back,I have been waiting for him.(用since/when填空) 3.We have known each other_we were in primary school..(用since/when填空) 1. He began to study here in2020.(用since改写为现在完成时句子) 3 初二下册北师大版 【寒假专版】C版句型辨析 2.I met her three years ago.I have been her friend.(合并为含since的复合句) 3.When the rain stopped,we started to climb the mountain.(用since改写句子，保持句意相近) I单项选择 1.B2.B3.A Ⅱ.完成句子 1.for 2.Since 3.since L.句型转换 1.He has studied here since 2020. 2.I have been her friend since I met her three years ago. 3.We have been climbing the mountain since the rain stopped.