To form the perfect tense, you need the correct person of the verb haber (to have) plus the past participle. The past participle is a word that often ends in ‘-ed’ in English like ‘played ...

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 ...

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 ...

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 ...