English grammar: ‘because’ vs ‘because of’

Students at the beginner level often confuse the use of โ€˜becauseโ€™ and โ€˜because ofโ€™. In this post Iโ€™ll briefly explain the difference between the two, and at the end youโ€™ll find the link to an online grammar exercise on this. BECAUSE The word โ€˜becauseโ€™ is a conjunction. It introduces a clause, which is a whole …