Future: going to

'going to' literally means movement toward a planned action

Tamil's போ ('to go') can extend beyond literal movement to signal an action that's about to happen, especially in casual speech — படிக்கப் போகிறேன் can mean both 'I'm going [somewhere] to study' and, by extension, 'I'm about to study'. English's going to future works on the exact same borrowed-movement logic: 'going to' no longer means literal travel here, just a plan already set in motion. This is one of the more intuitive English tenses for a Tamil speaker, since the metaphor (movement toward an action) is one you may already reach for.