This document contains therequired theoretical support to developa project whose objective is to know the effects of applyingtask based learning (TBL) workshops to scaffold critical thinkingin IV levels of English at Universidad Santo Tomás, Tunja.Critical thinking is a concept that has been developed throughseveral years and which entails important skills to be developed.It is associated with reasoning, interpreting, analyzing, and evaluatinginformation or situations to give true or possible assertions regarding a specific topic. Hence, this construct is proposed in order to develop critical thinkingunder the parameters of the TBL approach as a way to motivate collaborative and independentwork in students.