There is a small river between the two villages.

　　The book is the best among these modern novels.

　　介詞about， （all） over， （all） through， throughout都可以表示“在……范圍內(nèi)到處”，“遍布”的意義。

　　After meal I wandered alone about the town.

　　介詞in front of和behind指前、后的相對位置。

　　She always looks in front of and behind the car before she starts it.

　　介詞round， pass指“繞過”；其中pass指“從……旁邊經(jīng)過”；through指“從……之中穿過“。

　　The movie theater is round the corner.

　　He lives in the village past the bus stop through the park.

　　3.表示原因的介詞

　　for常常表示褒貶、獎懲的原因或心理原因。

　　They will reward you for your help.

　　due to常常用來引導(dǎo)形容詞性的短語，作定語或表語。

　　Mistakes due to carelessness may have serious consequences.

　　from和out of常常表示動機(jī)或原因；through表示消極或間接的原因。

　　He feels weak from lack of sleep.

　　He broke down through overwork.

　　4.表示目的的介詞

　　for表示擬定的接收人或目的；to表示實(shí)際的接收人或目的。

　　I bought the gift for my little sister.

　　I gave the gift to my little sister.

　　for和to都可以引導(dǎo)目的地。For跟在含有出發(fā)或開始意義的動詞后，如：leave， set out，start， depart， sail等；to跟在含有來來往往地行動的意義的動詞后，如：go， come， run ，walk，move， fly， drive， ride等。

　　We have left for Hong Kong.

　　He flew to America via Hong Kong.

　　at表示起因；on表示依據(jù)。

　　She is quite pleased at his help.

　　Ken was arrested on a charge of that.

　　at還可引導(dǎo)行為的目標(biāo)或精力的集中點(diǎn)。

　　He shot at the bird.

　　5.表示“關(guān)于……”的介詞