The words ‘because’ and ‘therefore’ are commonly used when the sentence involves a kind of reasoning or explanation.
‘Because’ can be used as a preposition as well as conjunction, depending on the verb, subject, or noun that it is followed by. On the other hand, ‘therefore’ is a conjunctive adverb.
Because vs Therefore
The main difference between because and therefore lies in their usage. ‘because’ is used to provide a direct and short reason or explanation to the matter at hand. ‘Therefore’ is used when the reason is already provided, and we wish to convey the result of that reason.
‘because’ and ‘Therefore’ are used separately whenever there is reasoning involved in the sentence, but their usage primarily depends on whether the reason is being provided (i.e because)or the result of the reasoning is being conveyed (i.e therefore).
Comparison Table Between Because and Therefore (in Tabular Form)
|Parameter of Comparison||Because||Therefore|
|Grammatical usage||It is used as a preposition when followed by a noun or a verb+ing. It is used as a conjunction when it is followed by a subject and a verb.||It is used as an adverb, commonly in run-off sentences.|
|Usage in a sentence||Used as both conjunction(formal) and preposition(informal) to give a reason for something.||Used when providing a result of or in consequence of something. It refers to something that was previously stated.|
|Sample sentences||Conjunction(formal): “I could not make it to the movie, because I was sick in bed”.|
Preposition(Informal): “The value of pie is 3.14, because maths.”
|Conjunctive adverb: “I have caught the flu. Therefore, I will not be able to make it to the meeting today.”|
|Synonyms||Because of, whereas, due to. These words are used to state a reason.||Accordingly, so, then, thus. These words take into account the reasons and state the result.|
|Concatenation of phrases||Is a conjunction, so can be used to connect two phrases or clauses.||It is an conjunctive adverb, so it cannot be used connect two phrases or clauses.|
When to Use Because?
This word is used for showing the reason something happens, or to help answer a query with a definite reason – “The number of days in a year is 365, because that is the amount of time it takes the earth to revolve around the sun”.
The word ‘because’ can be used in two different forms:
When taking into account the conjunction form of ‘because’, we normally see the sentence to be of a formal nature. It is to be noted that ‘because’ can only be used in this form when it is followed by a subject and a verb.
Example: “We were in quite a hurry, as we rushed across the platform. We had arrived late to the station and almost missed our train because of the traffic we faced while driving. “
When taking into account the preposition form of ‘because’, we use it in a sentence that is of an informal nature. Unlike the conjunctive form, here you cannot use ‘because’ to join two phrases or sentences.
Example: “Why is the earth so round? Because science” It is to be noted that because can also be used as subordinating conjunction so as to help form an adverb clause.
When to Use Therefore?
The word ‘therefore’ is an adverb. We use it in a sentence, where a reason or explanation has already been provided and now wish to convey the result or the consequence of it.
Example– “There was a water leakage in the planetarium today. Therefore, they shall remain closed till Sunday. “
‘Therefore’ is commonly seen to be used as a means of providing a conclusion to something that was previously stated and was based on some form of logical reasoning.
The logical reasoning may differ based on whether it is true or not. Either way, ‘therefore’ can be used in both cases.
- Example (truth) – “The colour green in a stop signal is an indication to proceed. Therefore, when the light turns green, we see the cars accelerate and move forward.”
- Example (False) – “Humans give birth to babies. Dogs also give birth to baby puppies. Therefore, humans and dogs are the same.” This statement is false as human beings are sapiens and dogs belong to Canis familiaris.
Main Differences Between Because and Therefore
- ‘Because’ can be used as either a conjunction or a preposition. ‘Therefore’ is used as a conjunctive adverb.
- ‘Because’ is used to convey a reason for something or an explanation. ‘Therefore’ is used to convey a conclusion to a reason that was previously stated.
- ‘Because’ can be used to join phrases, sentences and clauses when used in its conjunctive form. ‘Therefore’ cannot be used to join two different phrases, sentences or clauses.
- ‘Because’ can be used on its own to answer a question where a reason is being asked, such as “why”. ‘Therefore’ can only be used in run-off sentences.
- ‘Because’ can also be used to infer a fact that is known already and is true. ‘Therefore’ can be used in sentences that contain both true and false logic.
The words ‘because’ and ‘therefore’ are both seen to be used in sentences and phrases where some form of logical reasoning is needed. Although, the placement of both these words in a sentence differs.
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