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 ...

For most verbs you add an ‘ed’ at the end of the word to change it to the past tense - for example, ‘she talks’ becomes ‘she talked’. However, there are some irregular verbs where the ...

Use the past tense to report what happened in the past ... and place it in the subject position. For example, should you write "The preprocessor sorts the two arrays" or "The two arrays are ...

I walked to the shop. However, not all past tenses are written like this as there are exceptions which need to be learned separately. For example: I bent down to pick up a penny. The correct past ...

(Sentence 2 happens to be in the past tense, but 3 is not; both 2 and 3 are in the passive ... it is appropriate to use the passive voice when it clarifies your meaning. Here is an appropriate example ...