07/04/17 The Use of Along and Through
The preposition along is used with nouns like road, river, corridor, line: words that refer to things with a long thin shape.
- I saw him running along the road.
- Her office is along the corridor.
To talk about periods or activities, we prefer through.
- through the centuries (NOT
along the centuries)
- all through the journey (NOT
all along the journey)
- right through the meal
Note the special use of along as an adverb particle in expressions like Come along (= “Come with me”) or walking along (= “walking on one’s way”)