Verb Tenses. In English, there are three basic tenses: present, past, and future.
Each has a perfect form, indicating completed action; each has a progressive form, indicating ongoing action; and each has a perfect progressive form, indicating ongoing action that will be completed at some definite time. Here is a list of examples of these tenses and their definitions: Simple Forms Present Tense Present tense expresses an unchanging, repeated, or reoccurring action or situation that exists only now. English Club. The Blue Book of Grammar and Punctuation. Perfect English Grammar.