1. all along - Adverb
2. all along - Preposition
all the time or over a period of time
Source: WordNetNow, I think that I should have known that he was magic all along. I did know it - but I should have guessed that it would be too much to ask to grow old with and see our children grow up together. So now, he is a legend when he would have preferred to be a man. Jacqueline Kennedy Onassis
Every revolutionary idea seems to evoke three stages of reaction. They may be summed up by the phrases: 1- It's completely impossible. 2- It's possible, but it's not worth doing. 3- I said it was a good idea all along. Arthur C. Clarke
He told me once that there is no better faith than a wounded faith and sometimes I wonder if that is what he was doing all along - trying to wound his faith in order to test it - and I was just another stone in the way of his God. Colum McCann
The Admiral says that he never beheld so fair a thing trees all along the river, beautiful and green, and different from ours, with flowers and fruits each according to their kind, many birds and little birds which sing very sweetly. Christopher Columbus
We read advertisements... to discover and enlarge our desires. We are always ready - even eager - to discover, from the announcement of a new product, what we have all along wanted without really knowing it. Daniel J. Boorstin
Shadows are formed all along the wishes of the sun. Chinese Proverb