The past participle of a word is formed by adding -d or -ed to the base form of the verb.
Whether to add -d or -ed depends on the last letters of the base form of the verb. This can be determined for the most part from two guidelines.
>If the base form ends in -e, then it will most like be made a past participle by adding -d. >If the base form ends in any other letter, then it will most likely be made a past participle by adding -ed.
In the word 'jump', the ending of the base form of the verb is -p. Therefore, in order to make it a past participle, we will need to add an -ed to the end of the base form.
The speaker describes the urn as a historian in “Ode on a Grecian Urn” by John Keats because he describes that the urn can tell stories from times past. This excerpt is taken<span> from the “Ode on a Grecian Urn” written by John Keats in 1819 about an art side of an urn. He believes that the urn can tell stories from the depicted figure on the side of the urn.</span>