Verbs - Present Progressive Tense

In the sentence "I am running", the word running is a present participle. Present participles are used to construct the present progressive tense.

estar
yoestoy estoy corriendoI am running
túestás estás corriendoYou are running
él, ella, ustedestá es corriendoHe is running
nosotrosestamos estamos corriendoWe are running
vosotrosestáis estáis corriendoYou people are running
ellosestán están corriendoThey are running