Wake up vs be awake - Free English Tests for ESL/EFL, TOEFL®, TOEIC®, SAT®, GRE®, GM
Hi, There are two constructions here: wake up and be awake. Wake up is simply stop sleeping as in: They always wake up early to catch the first train in the morning. Be awake means simply not be asleep. They were awake for a long time in the night because...