The second sentence is perfect.
The first one needs either a definite or an indefinite article before bus both times the word appears. The definite article is more common when referring to modes of surface transportation: I like to take the bus when I'm in London. I took the ferry across the river. I took the train to Cambridge. For some reason, we don't usually use the definite article when talking about flying: I went to Chicago by plane. I took a plane to Chicago.
"We used to walk to the bus stop and he used to take the bus from the outside of our colony."
Is this correct now?
If you have a question about the English language and would like to ask one of our many English teachers and language experts, please click the button below to let us know: