Because vs. Since
'Because' and 'since' express causes and effect but there is a distinction between them. In this lesson, we will learn their differences and similarities.
What Is Their Main Difference?
Because
'Because' is a word that functions as a conjunction or adverb. In both parts of speech, it expresses cause and effect. It is also categorized as a subordinating conjunctions. For example:
We were delighted
She was never interested in studying
Since
'Since' is another cause and effect conjunction. Just like 'because,' it is categorized as a subordinating conjunction. 'Since' is also used to express the passage of time. For instance:
I don't think he would attend the party
Everything has changed
Similarities and Differences
Uses
Cause and Effect
We use 'because' and 'since' interchangeably to express the cause of an action or event:
I called him out
I called him out
Tip!
'Since' (used to express reason) is advised by grammarian to be avoided in casual conversations as it may confuse the audience.
Passage of Time
We use 'since' to express an action or event from a time in the past until the present:
He hasn't been the same
I haven't seen Lisa
Position in a Sentence
We can place 'because' and 'since' at the beginning or at the middle of the sentence. Watch:
The power went off
She is probably sleeping
Frequency
'Because' is much more common than 'since' when talking about reason.