英语语法学习(一般现在时 & There is / There are)

英语语法学习(一般现在时 & There is / There are)

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一般现在时 & There is / There are

📌 目标

  1. 掌握 一般现在时的规则(动词+s/es)
  2. 学会 There is / There are 句型

1️⃣ 一般现在时(Simple Present Tense)

✅ 什么时候用一般现在时?

一般现在时用于:
表示习惯或经常发生的事情

  • I eat breakfast every day.(我每天吃早餐。)
  • She goes to school at 8 AM.(她早上 8 点去上学。)

表示事实或真理

  • The sun rises in the east.(太阳从东方升起。)
  • Water boils at 100°C.(水在100°C沸腾。)

✅ 一般现在时的动词规则

📌 1. 动词的变化(第三人称单数)

如果主语是 he, she, it,动词要加 ses

规则例子
一般动词 + seat → eats, play → plays, drink → drinks
以 s, sh, ch, x 结尾 + eswatch → watches, wash → washes
以辅音 + y 结尾,y 变 i + esstudy → studies, try → tries
特殊动词have → has, go → goes, do → does

✅ 句子语序

句型例句
肯定句She likes apples.(她喜欢苹果。)
否定句She does not like apples.(她不喜欢苹果。)
一般疑问句Does she like apples?(她喜欢苹果吗?)

📌 注意

  • 否定句 & 疑问句,动词要用原形
    • He likes pizza. ❌ Does he likes pizza? → ✅ Does he like pizza?
  • 动词+s 只用于肯定句!

2️⃣ There is / There are(表示“有”)

✅ 什么时候用?

There is / There are 句型表示 某个地方有某物

💡 句型结构

  • There is + 单数名词
  • There are + 复数名词

📌 例句

  • There is a book on the table.(桌子上有一本书。)
  • There are two apples in the basket.(篮子里有两个苹果。)

✅ 否定句 & 疑问句

句型例句
肯定句There is a cat in the house.
否定句There is not a cat in the house.(= There isn’t a cat in the house.)
一般疑问句Is there a cat in the house?

📌 注意

  • "There is" 用于单数名词(如:a book, an apple)。
  • "There are" 用于复数名词(如:two books, three apples)。

🎯 练习

1. 造 5 句一般现在时的句子(肯定句、否定句、疑问句各1个)
2. 造 3 句 There is / There are 句子

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