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 ...

There are variations in the way verbs form the past tense. They can be looked at in the following way: ...

It is the verbs in a sentence that determine its tense. This is because stories were traditionally told using the past tense. This made the narrator sound as if they were narrating events from a ...

To establish the difference between the use of ‘has/have’ and that of ‘had’, one needs to understand the essence of the past perfect tense. When two things occurred in the past ...