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 whole word ...

They are hungry. In English we have many different verb tenses, but the most common one you will use besides the present tense will be the past tense. Normally in the past tense, you do not need to ...

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 ...

The examples show that some people confuse has/have with had because they fail to understand the essence of the past perfect tense. Remember that when two things happened in the past ...