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[Note] 英文文法最基本的規則

英文文法最基本的規則

  • 主詞第三人稱,單數、現在式,動詞要加s
  • 兩個動詞不能連在一起用。

重點規則

  1. 兩個動詞不能連在一起用。
  2. 如果一定要同時用兩個動詞,後者的前面必須加 to,或者將後者加上 ing
    • to + 原V
    • V + ing
  3. 主詞如果是第三人稱,現在式、單數,動詞必須加 s
  4. 絕大多數的否定句子,不能直接加 not。(必須用助動詞來完成否定的句子。)
  5. 在不定詞 to 的後面,必須要用原形動詞。(to + 原V)
  6. 英文中有所謂的助動詞,必須注意。
    • 助動詞後面的動詞,必須是原形動詞。(助動詞 + 原形動詞)
    • have 後面的動詞,絕對不能用原形動詞。(have + 過去分詞)
  7. 英文問句要有助動詞。
  8. 特殊動詞隨主詞的變化。

1. 兩個動詞不能連在一起用

錯誤:I am love you.

正確:

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I love you.
I am in love with you. 

2. 如果一定要同時用兩個動詞,後者的前面必須加 to,或者將後者加上 ing

  • to + 原V
  • V + ing

例如:我愛游泳

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I love to swim. (to + 原V)
I love swimming. (V + ing)

其他例子:

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I hate to eat fish.
I hate eating fish.

I love to play basketball.
I love playing basketball.

I keep going to church.

3. 主詞如果是第三人稱,現在式、單數,動詞必須加 s

錯誤:

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He write very well.
Jack love playing the violin.
Mary swim every day.

正確:(加s)

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He writes very well.
Jack loves playing the violin.
Mary swims every day.

主詞第三人稱,現在式、單數,動詞必須加 s

4. 絕大多數的否定句子,不能直接加 not

錯誤例子:

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I not love you.
I not saw that movie.
I not like swimming.

必須用助動詞來完成否定的句子。

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I do not love you.
I did not saw that movie.
I does not like swimming.

dodid 都是助動詞,do是現在式 、 did 過去式。

can, will, would, shall, may, must 都是助動詞。

  1. He can not swim.
  2. They will not go to church tomorrow.
  3. Mary should not go to the party.
  4. I shall not see you.
  5. He may not go out tonight.
  6. He must not eat meat any more.

5. 在不定詞 to 的後面,必須要用原形動詞

have、had

英文中的動詞,是會變化的,以 have 為例,第一人稱和第三人稱就不同:

  1. I have a dog. (第一人稱 have)
  2. He has a dog. (第三人稱 has)

如果是過去式,動詞又要變化。
have 的過去式是 had,無論是第幾人稱,一概都要用had

例子:英文動詞的過去式變化

現在式過去式
gowent
comecame
eatate
playplayed
swimswam

不論哪一個動詞,都有一個原形動詞,一切都是從這個原形動詞變出來的,
像:go, drink, have, walk, love, like等等都是原形動詞。

不定詞 to + 原形動詞

如果我們有必要用不定詞to,就必須用原形動詞,
例如:

  • to go, to drink, to have都是正確的。
  • to went, to drank, to loved等都是錯的。

英文中有一個動詞最為麻煩,那就是am, are, is, was, were 等等,
翻成中文「是」,而這些動詞的來源都是 be,所以我們說這些動詞都是be動詞。

例如:(以下句子都用上了be)

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1. I want to be a teacher.
2. He wants to be a good father.
3. They all love to be rich.
4. No one likes to be poor.

6. 英文中有所謂的助動詞,必須注意

助動詞後面的動詞,必須是原形動詞

規則4中說:

  • 在絕大多數的否定語句中,必須用助動詞dodid
    do是原形動詞,diddoes都是do的變形。
  • 除了do是助動詞以外:can, may, might, will, would, must 也都是助動詞。

以上所提到的助動詞,都有一個共同的特色:助動詞後面的動詞,必須是原形動詞。

舉例:(以下的句子都是正確)

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1. He can swim.
2. He does not swim.
3. I do not speak English.
4. You must walk to work every day.
5. I did not work yesterday.
6. You may leave now.
7. I will go to Taipei tomorrow.

以下句子都是錯的:

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I did not went. (go)
He does not goes to work. (go)
You must walked to work. (walk)

have 後面的動詞,絕對不能用原形動詞 (have + 過去分詞)

除了以上的助動詞以外,還有一個非常特殊的助動詞,那就是have
在這個助動詞的後面,動詞絕對不能用原形動詞。

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1. I have been to English.
2. I have slept all day.
3. I have studied English since I was a child.

been, slept, studied 都是過去分詞(past participle),以上的句子也都是現在完成式。

7. 英文問句要有助動詞 (動詞是 verb to be 就不需要)

問句要有助動詞

以下句子都是錯的:

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Why you drink so much water?
How many books you wrote?
How many sons you have?

正確的句子是:

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Why do you drink so much water?
How many books did you write?
How may sons do you have?

動詞是 verb to be 就不需要助動詞

一旦動詞是 verb to be,就不需要助動詞了。
以下是正確的句子:

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1. Are you a teacher?
2. Is he a student?
3. Is Mr. Chang your father?
4. Were your mother and father in England last year?

8. 特殊動詞隨主詞的變化

verb to be

英文中,有些動詞因主詞不同而改變,verb to be 是其中之一。
因此,我們必須記得以下的規則:

  第一人稱第二人稱第三人稱
現在式單數I amYou are(He,She,It)is
 複數We areYou areThey are
過去式單數I wasYou were(He,She,It)was
 複數We wereYou wereThey were

verb to have

Verb to have 也有類似的變化:

  第一人稱第二人稱第三人稱
現在式單數I haveYou have(He,She,It)has
 複數We haveYou haveThey have
過去式單數I hadYou had(He,She,It)had
 複數We hadYou hadThey had

–替中國人寫的英文基本文法(李家同/海柏)–

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