Past tense To form a past tense of a regular verb, you simple add -ed. For example, 'laugh' becomes 'laughed'. For irregular verbs, the past form is a new word. For example, 'eat' becomes 'ate'....
The present perfect tense is used when there is a connection with the past and the present. It is used to depict change, experience and a continuing situation. The future perfect tense, however, is...