In of into contact with the top of; by means of.
Close behind.
Directed toward.
In the act of.
Comprised in.
In reference to.
In a state of.
An incalculable period of time; an age; eternity.
So as to cover, overspread, of adhere.
Forward; ahead.
Then we came on at once. – On the Pampas by G. A. Henty
Well, go on- do go on. – Bijou by Gyp
" I do not say, now," Chirac went on. – The Old Wives' Tale by Arnold Bennett