This task is for elementary students. The objective is to recognize verbs in simple conjugations, 1 in its progressive form and specific information of the video.

Aaron Wolf explains briefly and simply what is the physics behind a string instrument, for the matter.

Guitar Tutorial - How A Guitar Really Works

guitar-tutorial-how-a-guitar-really-works

Let's do English ESL general grammar practice. This task is for elementary students. The objective is to recognize verbs in simple conjugations, 1 in its progre…