Preposition 前置詞

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(1) What is a preposition? 甚麼是「前置詞」？
+ D& U, L. s8 W1 h% ^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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For example 例如:
* N" K$ R, c0 y/ o6 M, SThe pen belongs to me.
I was born in China seven years ago.
My mother borrowed these books from the library.

/ r" S+ g! V: z+ M  U9 p (2) Types of Prepositions前置詞的類別：
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(a) Prepositions of Time 和時間有關的前置詞
It helps to express the "time".
它用來幫助形容時間。

For example 例如:
at　─　to describe an exact point of time (描述一個準確的時間)
1 ^! H( I$ ]- y' ]; C6 U/ S  iThe 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)
I likes playing the piano in the afternoon.
: d* q; G5 L! R2 K+ t: IMary has her first swimming lesson in June.
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. B8 M0 I" D* H9 M# n8 ^on　─　to represent a certain time (表示一個時間)
Vivian gave me a gift on Friday.
5 V5 ~. c$ {9 ?. r) L  p0 q: k9 ZMy birthday is on the 6th of November.

6 x3 E4 |6 B1 j) @$ e% {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)
: ~6 M$ m/ J) |0 ?) L  ~Shirley has learned Japanese for two months.
3 i" [% Y( J- YBetty has gone to the supermarket for ten minutes.

! s  p! [3 |5 m4 P  S! v/ mby　─　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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. \/ e$ x' n! m0 h2 X7 P$ x (b) Prepositions of Place 和地點有關的前置詞
1 @! _  t3 A; e* HIt helps to express a certain place.
1 i" I8 H9 d& T( E 它用來幫助形容地點。

For example:
at　─　 to represent an exact place (表示一個準確地點)
Let us meet at school.
I play computer games at home.
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in　─　 to express a larger area of place (形容在比較大範圍的地方)
/ b$ U# j( A! c( J3 k' `Hong Kong is located in China.
7 R! p% k6 [  I: H! yWe have our dinner in a Italian restaurant.
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  @! R. F0 N* s* ^, G! non　─　to describe that a thing placed on another thing (形容在某些東西之上)
2 c, A8 K" ~) J$ ]Put your homework on the desk.
/ m) U) e7 G; @- @1 p& Q, AA ball is on the floor.

into　─　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.
Jay fell into the water.

; Y: X3 \# Q4 [  m+ B+ rfrom　─　to show what the origin of somebody or something is (描述事物的來源處)
The new teacher comes from Britain.
- `0 S) Q* Q. t6 BI have learned lots of things from this book.