Another great way to get children talking in the past tense is to try getting them to recall details from a story after hearing it. Ask them lots of questions about what happened in the story and why.
If you read it to yourself afterwards you'd realise that it was in the wrong tense because we don't speak in the wrong tenses we just write it in the wrong tenses. Male in hi-viz jacket ...
For example, the tense may change between the methods section and the discussion section. The abstract is usually in the past tense due to it showing what has already been studied. Example: “This ...