The past tense is used for things that have already happened. Past tense verbs often end in '–ed' but not always. I walked to the shop. The present tense is used when something is happening now ...

All verbs have a past, present and future form. Watch the video and play the activity to find out more with this primary English KS1 and KS2 Bitesize guide.

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.