One’s tense will vary depending on what one is trying to convey within their paper or section of their paper. For example, the tense may change between the methods section and the discussion section.

The examples below show how an action ... exactly as you would in ordinary writing. Use the past tense to report what happened in the past: what you did, what someone reported, what happened ...

plus bleiben, sein and werden, its meaning changes and it translates in two different ways, as shown in the following examples of the past tense of the verb “fliegen” to fly, flying.