There are three types of participle: the present participle (writing), the past participle (written) and the perfectThe aspect expressing completion. E.g.: He’s finished university. participle (having written). The present and the perfect participles also have a passive form (being written and having been written).

Although in all of the following sentences we use going, each sentence refers to a different timeA concept which is related to our perception of reality; that part of existence which is measured in seconds, minutes, hours, days, weeks, etc.: