When同 while有咩唔同 Fast!!!!!!!!!!!!!!!!!!!!!!!!!!!

When同 while有咩唔同 FAST!!!!!!!!!!!!!!!!!!!!!!!

2 Answers

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  • 1 decade ago
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    When, While

    句式結構

    (1)“When”, “while” 解作「當‥‥‥時」,放在句首時,緊記用逗號把兩句句子連接。

    When …, ...

    While

    (2)亦可放在兩句句子之間,但必須把逗號刪掉。

    ... when ...

    ... while ...

    運用方法

    (1)當一個動作進行時,突然有另一個動作發生,我們便用”when”, “while”來表示那持續時間較長的動作。

    (2)那持續時間較長的動作用現在進行式/過去進行式來表示,而那持續時間較短的動作則用簡單現在式/簡單過去式表示。

    A bird flew into the house while/ when I was opening the door.

    我開門時,有一隻鳥飛進屋裏。

    (3)若兩個動作同時發生,我們均要兩句句子裏用現在進行式/過去進行式。

    Paul is /was laughing while Mary is /was talking.

    瑪莉在說話,保羅在大笑。

    例子:

    The baby _____________ (cry) while the mother was talking to her friends.

    The baby was crying/cried while the mother was talking to her friends.

    When the students were doing the test, the bell______ (ring).

    When the students were doing the test, the bell rang.

    When we were swimming, the rain______ (begin).

    When we were swimming, the rain began.

    He broke his leg when he __________ (climb) the slope.

    He broke his leg when he was climbing the slope.

    While Michael __________ (wash) the fish, Sam was frying the vegetables.

    While Michael was washing the fish, Sam was frying the vegetables.

    Source(s): grammar dictionary
  • 1 decade ago

    As I know,

    When之後係用present tense or past tense.

    While 之後係用past continues tense.

    Source(s): 書(Grammar)
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