Expresses the present continuous or ongoing action; 'to be doing', 'currently doing'.
る-verb: drop る, add ています, う-verb: change last syllable to its て form, add います, Irregular verbs: refer to specific conjugation rules
Long explanation:
The ~います grammar point is used to express that an action is currently happening or is ongoing. It can be translated as 'to be doing' or 'currently doing' in English. The formation differs depending on whether it is a る-verb, う-verb, or an irregular verb.