In this part of his lesson on the future tense, Javi from BCNLIP sheds some light on the difference between "habrá" and "abra" while explaining some of the nuances of the auxiliary verb "haber" [to have/be].
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Caption 59 [es]: creo, ¿no? No somos muy buenos en matemáticas algunos, pero Caption 59 [en]: I think, right? Some of us are not very good at math, but