🧩 教学干货
there be 就近原则还在主语漂判·就近接飞·be形拔空?一张失分看板让明师三档秒出讲评卷
高中英语 there be 句型就近原则是高频考点,全班讲评时常见三类丢分:主语单复数判飞(忽视 of 短后真正主语)、就近接飞(多个主语时忘了"看最近")、be 形拔空(There is/are 写错或时态乱套)。本文用一组真题演示老师把题目交给明师后,秒出对照表、失分看板与三档分层卷,并给出速查与常见问答,帮老师三步定位全班短板。
高中英语考完试讲 there be 句型,最让老师头大的从来不是"学生不会",而是"会了还错"。翻一遍答题卡,全班集中栽在三个地方:主语单复数判飞(看到 a 就以为单数,忘了 of 后面才是真主语)、就近接飞(There is a book and two pens 直接写成 are)、be 形拔空(时态该用 was 写成 is,或者 There be 套了进行时不会写 There is being)。记住一句口诀:there be 看真主,单复 be 跟着走;多主并列看最近,时态跟着时间走。
先说结论:there be 就近原则,三步讲清
第一步定真主(of 短语、修饰语全划掉,看最后落点的名词),第二步定单复(真主是单数用 is,复数用 are;并列主语看最近那个),第三步定时态(一般现在用 is/are,一般过去用 was/were,将来用 will be)。三步下来不会丢分。
一组真题的输入→输出
老师把题目交给明师,输入指令:
一组 there be 就近原则的高中真题,含 4 道题:①There ______ (be) a book and two pens on the desk. ②There ______ (be) some milk and two eggs in the fridge. ③There ______ (be) a teacher with 30 students in the classroom. ④There ______ (be) many problems in the past. 要求每题给出关键点、易错点、标准答案与一句点拨,按表格输出。
明师产出的对照表:
| 题号 | 算式/题目 | 关键点 | 学生常见错误 | 答案 |
|---|---|---|---|---|
| ① | There ______ a book and two pens on the desk. | and 并列两个主语,看最近 two pens → 复数 | 看到 a book 写成 is | are |
| ② | There ______ some milk and two eggs in the fridge. | 不可数 milk + 可数 eggs,看最近 eggs → 复数 | 把 milk 当成最近写 is | are |
| ③ | There ______ a teacher with 30 students in the classroom. | with 后的 30 students 是伴随,看真主 a teacher → 单数 | 被 30 students 带偏写 are | is |
| ④ | There ______ many problems in the past. | in the past 标志一般过去时;many problems → were | 写成 are | were |
明师的点拨: ① 真主判断:and 连接的并列主语,就近看 two pens 是复数,所以用 are。② 不可数 + 可数混合时按"就近"算,不按"总数"算。③ with / along with / together with 后面的名词是伴随成分,不算并列主语,要看 with 前那个。④ 时间状语 in the past、yesterday、last week 一律把 is/are 改 was/were,时态与数两手都要抓。
一张失分看板(SVG)
图:there be 就近原则三步定位看板——找真主、定单复、定时态,配 4 句正例与 4 条易错。
速查表
| 情况 | 做法 | 例子 |
|---|---|---|
| 单个真主(可数单数) | There is / was + 单数 | There is a pen on the desk. |
| 单个真主(不可数) | There is / was + 不可数 | There is some milk in the cup. |
| 单个真主(复数) | There are / were + 复数 | There are 30 students in our class. |
| and 并列两个主语 | 看最近那个(就近原则) | There is a book and two pens. → are |
| with / along with 后跟人 | with 前为主,伴随不算并列 | There is a teacher with 30 students. |
| of 短语作后置定语 | of 后才是真主 | There is a map of China. |
| 一般过去时 | is → was,are → were | There were many trees last year. |
| 一般将来时 | will be(不变形) | There will be a party tomorrow. |
全班失分原因分布(SVG)
图:某班 42 人 there be 就近原则失分分布——主语判飞 16 人、就近接飞 14 人、be 形拔空 10 人、with 伴随 3 人。
在明师里的工作流
备课:把今天的考点输进去,比如"高中英语 there be 就近原则,出一份讲评课件,含 4 句正例、4 句反例、3 道变式",明师秒出对照讲义。 出题分档:指令直接写"出三档练习:基础 6 题找真主(单空 is/are),提高 6 题并列就近 + with 伴随,冲刺 6 题综合 + 时态 + 不可数",明师按档排好。 讲评统计高频错因:把答题卡数据贴给明师,指令"统计本题失分前 3 原因,给出对应讲解脚本与 5 道针对变式",明师秒出讲评稿与加练卷。 错题订正:把学生错的句子丢进去,指令"按就近原则逐句订正,标注真主、单复依据、时态信号词,并给一句记忆口诀",明师输出订正卷与背诵卡。
常见问题
问题:There be 句型里,of 短语算不算主语?
算后置定语,不算主语。真正的主语在 of 前面。比如 There is a map of China. 真主是 map,单数用 is。学生常被"China"带偏写成 are。
问题:There is a book and two pens. 为什么用 are?
这是典型的就近原则。and 连接并列主语时,be 的单复数看最近那个名词——two pens 是复数,所以用 are。再比如 There are a boy and two girls. 同样就近看 girls,用 are。
问题:with / along with 后面的名词要不要算并列主语?
不算。with、along with、together with、as well as 后面的内容是"伴随成分",不参与主语单复数判断。真主永远在 with 前面那个名词。There is a teacher with 30 students. 真主是 teacher,单数 is。
问题:There be 句型怎么判断时态?
看句子的时间状语,没有状语默认一般现在:is / are;出现 yesterday、last + 时间、in the past、ago → was / were;出现 tomorrow、next + 时间、in + 将来时间 → will be。时态与单复两手都要抓。
问题:明师能帮学生学/练 there be 就近原则吗?
能。明师可以按学生错题数据自动生成"真主判定 + 就近判断 + 时态识别"三类针对性变式,并按基础 / 提高 / 冲刺三档出卷;学生做完主观填空后,明师也能秒批并指出哪一步判断错了,再给一句口诀强化记忆。
讲 there be 就近原则,主线就一条:先找真主,再定单复,最后定时态;并列看最近,伴随不算数。把这条主线刻进学生脑子里,考场就不会丢冤枉分。想体验的老师可访问 https://mingshi.rcwq.net/register 。