Preposition 前置詞

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(1) What is a preposition? 甚麼是「前置詞」？
A preposition is a word we use with a noun or a pronoun to mark its relation with the other parts of the sentence.
「前置詞」是跟名詞或代名詞一起使用，以表示名詞或代名詞和句子中其他詞的關係。
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7 |* S+ _( E+ sFor example 例如:
The pen belongs to me.
I was born in China seven years ago.
5 d* ?7 n! R& s- ^/ hMy mother borrowed these books from the library.

) U+ H" r) h2 F7 k  b3 @5 O (2) Types of Prepositions前置詞的類別：

  |7 D2 E7 c0 S: a; ?(a) Prepositions of Time 和時間有關的前置詞
+ l' X7 J- }2 s" Z$ M9 @  ~8 |/ fIt helps to express the "time".
4 f6 q: u0 Y8 C它用來幫助形容時間。
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For example 例如:
at　─　to describe an exact point of time (描述一個準確的時間)
The show starts at two o’clock.
Grandpa often takes a nap at noon.
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in　─　to express a certain period of time (描述在某一段時間內)
! p# O; d) u. |) J4 UI likes playing the piano in the afternoon.
Mary has her first swimming lesson in June.

& a, T8 O/ i% C$ y% t7 _% ?on　─　to represent a certain time (表示一個時間)
Vivian gave me a gift on Friday.
+ @( ]5 c! P. i3 G$ IMy birthday is on the 6th of November.
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for　─　to express something that lasts in a period of time (描述在某段時間內維持著的事情)
Shirley has learned Japanese for two months.
Betty has gone to the supermarket for ten minutes.

by　─　to talk about an action that can finish at a certain point of time (形容在某個時間會完成的動作)
You have to finish the project by next Friday.
Please give me a call by tomorrow night.
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& V6 d+ k! {; r, P& \: }5 h" ?' k (b) Prepositions of Place 和地點有關的前置詞
  d+ r2 @5 N8 q: ]It helps to express a certain place.
: h7 R/ B1 H3 f+ G6 j: Q" m& k 它用來幫助形容地點。
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6 @/ S6 V5 {7 s0 NFor example:
at　─　 to represent an exact place (表示一個準確地點)
Let us meet at school.
% k0 w3 r2 x# e, zI play computer games at home.

in　─　 to express a larger area of place (形容在比較大範圍的地方)
* y% B" Y7 T' f# _- [Hong Kong is located in China.
We have our dinner in a Italian restaurant.
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. q# p  P% ~" p  qon　─　to describe that a thing placed on another thing (形容在某些東西之上)
8 @$ m4 K" W! ~/ `Put your homework on the desk.
A ball is on the floor.

4 z1 h6 _+ h( @3 rinto　─　to express an action going inside some places (表示一個動作「進入」一些地方)
Please come into the room.
/ I  D% A4 k4 S- SJay fell into the water.
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from　─　to show what the origin of somebody or something is (描述事物的來源處)
The new teacher comes from Britain.
8 {. g: _; j, s1 N4 [4 }* z/ q6 w! H; LI have learned lots of things from this book.
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