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 ...

Situations that could lead to distortion are avoidable if we remember that the spellings of verbs change depending on ... we create the past tense. When we add ‘ing’ to the infinitive, we ...