Prepositions "a" and "de" that go with the verbs llegar, volver, dejar, etc. Click here for the materials https://lalcenter.com/prepositions-with-verbs-llegar-volver-and-dejar/ in summary: Poner means to put Ponerse means to put on a coat for example Ponerse a: to start to (after a consequence, after something happened) For example: Ponerse a llorar = to burst into tears Ponerse a llorar Empezar: to start Comenzar: to begin Dejar: to leave behind Dejar: to let or give permission Dejar de: