🧭 教学干货
there be 就近原则还在主语混·谓语飘·并列拔空?一组真错把讲评明师秒摊桌
高中英语 there be 句型的就近原则是月考、期中期末、改错与短文填空里的"必踩坑":主语是并列结构时,be 的形式该跟谁、否定/疑问怎么呼应、there 能否换成 here 三个点反复丢分。本文用一组真题的输入→输出演示,给出一张"近主+be+远尾"的对照表、一张失分原因看板和一张速查表,并把整堂讲评课压在明师里:备课、出题分档、错因统计、错题订正一条龙,附五条常见问题答疑与注册入口。
每次月考、期中期末讲评卷子,英语改错和短文填空里 there be 句型的就近原则总是班上"集体翻车"的地方——不是 be 的单复数写错,就是否定和疑问时助动词跟着错,还有学生一紧张就写成 here is / there has。一句话记住就近原则:看最近的那一个主语(最近主语原则),be 的数、否定、疑问全跟着它变。
先说结论:抓"近主",看尾标,be 跟着最近主语跑
讲评时别让学生死背"单数用 is,复数用 are"。先把句子切两半——左半找 there,右半找真正的主语,尤其当主语是 A and B / A with B / A or B / A together with B 这类并列或附带结构时,be 永远跟着离它最近的那一个走。这一条覆盖 90% 的丢分点。
一组真题的输入→输出
老师把题目交给明师,输入指令:
以下是某高二月考改错与语法填空中的 there be 就近原则题(共 6 题)。请按"题目 / 关键点 / 答案 / 学生常见错"四列出一张对照表,并逐题讲清做题步骤。
明师产出的对照表:
| 题号 | 题目(节选) | 关键点 | 答案 | 学生常见错误 |
|---|---|---|---|---|
| 1 | There ___ (be) a pen and two books on the desk. | 并列主语 a pen and two books,就近 | is | 误写 are(被两个名词拉走) |
| 2 | There ___ (be) two books and a pen on the desk. | 主语顺序反过来,就近 a pen | is | 还是写 are,没看顺序 |
| 3 | There ___ (not be) a boy and three girls in the room. | 否定就近,is not | is not | 写成 are not |
| 4 | ___ there a ruler and two pens in your bag? | 疑问就近,Is | Is | 写成 Are,主谓一致被忽视 |
| 5 | There ___ (be) a teacher, together with 30 students, in the lab. | A together with B,就 A | is | 被"30 students"带跑写成 are |
| 6 | There is going to ___ (be) a meeting and several lectures next week. | "be going to + be"只保留一个 be | be | 多写 is,少写 to 后的 be |
明师的点拨:
- 题 1、2 是镜像题:把"a pen and two books"换成"two books and a pen",答案从 are 变 is。这最能说明就近原则看位置,不看数量。做题第一步永远是圈出 be 后面紧挨着的那个名词。
- 题 3、4 考变形:否定句和一般疑问句要把 be 提前或加 not,但数还是看最近主语。"Is there..."和"There is not..."中 is/Are 永远是判断的核心。
- 题 5 是高频伪装:with / together with / along with / as well as 引导的附带成分不算主语,be 跟前面的主语走。这是学生最爱翻车的地方。
- 题 6 是变形陷阱:there is going to be / there used to be / there seems to be 这类半助动词 + be 结构中,be 仍然跟着最近主语,但句中只能保留一个 be。学生常写"There is going to is a meeting"。
图:there be 就近原则讲评看板——口诀、近主结构、远尾结构、三步法、变形公式与易错提醒。
速查表:there be 就近原则一次背完
| 情况 | 做法 | 例子 |
|---|---|---|
| 主语 A and B | be 跟 B(最近) | There is a pen and two books. |
| 主语 A or B | be 跟 B(最近) | There is a boy or two girls outside. |
| 主语 A with B | be 跟 A | There is a boy with two girls. |
| A together with B | be 跟 A | There is a teacher, together with students. |
| A as well as B | be 跟 A | There is a ruler as well as pens. |
| 否定句 | not 直接加在 be 后 | There is not a boy and two girls. |
| 一般疑问句 | 把 be 提前 | Is there a boy and two girls? |
| there is going to | 后接动词原形 be | There is going to be a meeting. |
| there used to | 后接动词原形 be | There used to be a tree here. |
图:某班 there be 就近原则失分原因横向条形图——"被远端复数名词带跑"高居榜首 26 人。
在明师里的工作流
- 备课:把卷子里 there be 相关的改错、语法填空、作文句子一次性丢给明师,让它按"近主 / 远尾 / 变形"分类,并直接生成三步法课件大纲。
- 出题分档:
- 基础档——A and B / A or B 两类典型就近;
- 提高档——加入 with / together with / as well as 远尾;
- 冲刺档——加上 there is going to / used to / seems to 等半助词变形。 指令示例:> 请按"基础·提高·冲刺"三档生成 12 道 there be 就近原则题,每档 4 题,附答案与考点说明。
- 讲评统计高频错因:把全班答题情况(哪道错、对照学生姓名)粘贴进明师,让它自动跑一张"失分原因分布",上图直接出。
- 错题订正:让明师基于错题生成一份"换考点订正卷"——同类结构但换主语、换变形、换半助词,避免学生背答案。
常见问题
问题:there be 句型的就近原则到底是什么?
"就近"指 be 的数与它后面最近的那个主语保持一致。主语如果是 A and B / A or B / not only A but also B 这一类真正的并列结构,be 跟第二个;如果是 A with B / A together with B / A as well as B 这类附带结构,主语仍然是 A,be 跟 A。学生最常见的误区是只看名词的数量,不看位置和连接词。
问题:为什么 There is a teacher with 30 students 用 is?
because "with 30 students"是介词短语作伴随状语,不是主语。主语只有一个:a teacher,单数,所以 be 用 is。同理:There is a boy, together with two girls, in the room. —— is。判断技巧:把 with / together with / as well as / along with 后面的部分用括号括起来或者删掉,剩下的就是真正的主语。
问题:否定句和疑问句里,be 怎么变?
规则不变:be 的数仍由最近主语决定,只是位置上做调整。否定:There + be(not) + 主语,例如 There is not a boy and two girls.(最近是 a boy,所以 is)疑问:把 be 提前,Be + there + 主语?例如 Is there a boy and two girls? 注意写一般疑问句时千万别把 be 和 there 分开写成 "Is not there..."。
问题:there is going to be / there used to be 后面的 be 怎么填?
两个半助动词(is going to / used to / seems to / happens to / is likely to 等)后面直接接动词原形 be,句中只能有一个 be。例如:There is going to be a meeting and several lectures. 中 is 已经承担了 be 的功能,后面不能再写 is,只能写 to be。学生最容易写成 "There is going to is..."。
问题:明师能帮学生学/练 there be 就近原则吗?
能。明师可以针对每个学生的错题,自动生成"近主 vs 远尾"对照训练、变形改写练习、半助词后 be 的填空专练,并按学生掌握度把题目分成基础·提高·冲刺三档,让学生在课前做基础档巩固、课后做提高档拔高,错题再进入冲刺档重做,真正做到"讲评—订正—再练"一条龙。
讲 there be 就近原则,关键是让学生记住一条:be 永远看最近的那一个主语,否定和疑问只是换位置,数不变。把这一条压进 5 分钟的对照表,再用半节课做错因摊桌和分层订正,这堂讲评课就能从"翻车现场"变成"提分现场"。
想体验的老师可访问 https://mingshi.rcwq.net/register 。