第一冊第4單元補充資料

標題句: Open your book, Tom.

  : 祁使句,定冠詞the

 

(一)肯定句

Please

 

stand up.

sit down.

open your book.

close the door.

be quiet.

 

Stand up,

Sit down,

Open your book,

Close the door,

Be quiet,

 

 

please.

 

解析:

(1)什麼時候用祈使句?

A. 命令:

Stand up.

Don’t talk.

B. 請求:

Give me a hand, please.

C. 指示方向:

A: Where is the park?

B: Go along the street and turn right.

(2) 省略第二人稱you(你或你們)

(You) open the door, please.

(因為已知說話的對象是誰,所以省略了主詞you)

(3) 用原形動詞開頭。(原形動詞: 就是動詞後面不加s, inged)

    Open the door.

    Turn to page 5.

    Say the word.

    Read the sentence, please.

    * am /  is / are 的原形動詞為be

     Be a good student. (做個好學生。)

     Be quiet.

(4) Please可放句首(原形動詞之前),後面不加逗點。

Please可放句尾,後面要加上逗點。

Please look at the pictures.

Look at the pictures, please.

(5) 稱呼語可放句首或句尾,用逗點隔開。

John, please read the sentence.

= John, read the sentence, please.

= Please read the sentence, John.

 

(二)否定句

Don’t

Never

stand up.

sit down.

open your book.

close the door.

talk.

 

解析:

(1) 表示禁止或請求時,可用否定祈使句。

(2) don’t never + 原形動詞

Sam, don’t shout in the library.

= Don’t shout in the library, Sam.

= Never shout in the library, Sam.

  

(三)the 用來指特定的指示詞。例如:I have a book. The book is interesting. 其中the book指的就是上一句說過的 a book

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