This document provides vocabulary and grammar lessons for units 10-12 of a language learning module. It introduces job vocabulary like archaeologist and architect. It also covers the present perfect tense, used to talk about unspecified actions before now. Examples are given for the present perfect of different verbs, and how it can be used with adverbs like ever, never, already, yet, just, since, and for. Multi-part phrasal verbs are also defined, such as pull through, give up, carry on, and deal with.