Monday, April 16, 2018

英語文法解析 - 18 頻率副詞(Adverb of frequency)

定義:用以表示動作或狀況所發生的頻率或次數。


英語中的頻率副詞有:

Always (100%)(總是) > usually (約80%)(通常) > often (約70%)(常常) > sometimes (約30-40%) (有時候) > seldom (約10%)(很少) > never (0%)(從來沒有)等。(有否定的意思)


頻率副詞的使用位置:

1. 放在be動詞之後:「頻率副詞放在一般動詞前面,be動詞後面」 (動前be後)

Ex:I am never late for work.

Tom is usually happy when he is with his girlfriend.


2. 放在一般動詞之前:

Ex:I usually get up (動詞片語) late (形容詞擺在動詞後面on Sunday mornings.


I seldom play tennis.


3. 放在can,will,do等助動詞之後:

Ex:You can always come to play with us.

I don't often go to the movies on holidays.


4. sometimes和usually也可以放在句首,此用法有強調的意味:

Ex:Sometimes he plays baseball on Sunday.

Usually I get up early on Saturday mornings.

 

特別注意:

1. 在簡答句中,頻率副詞一律放在主詞與be動詞或助動詞的中間,而不可放在句子的最後面。

Ex:A:Are you always early to school? B:Yes,I always am.

A:Do you usually get up early? B:Yes,I usually do.


2 要表達一個動作發生的頻率或次數,並不是只有上述的字詞用法而已,我們也可以用:

every+時間:如every morning/day/week/season等或once a week/twice a month/three times a year等片語。





3. 在現在式中,主詞為第三人稱單數時,若句中有頻率副詞出現,一般人常常忘記動詞要加s/es。  *Ex:Tom often goes to school late.

注意:副詞lately是「最近」,late當副詞才是「遲」的意思。


4. 要問一個人某個動作所發生的次數或頻率,其問句為: How often...? 而不是How long....?切記!

Ex:How often do you go to a barber shop?

How often does John walk to school?

How long do you go abroad for a vacation? (X)

I work hard (我努力工作) Where you come from? (問國籍) What are you? (問職業)

I work hardly (我幾乎不工作) Where you came from? (問來處) Who are you? (問身分)

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