Adverbs of reason: link cause and result

Before choosing a linking word, decide which event happened first and caused the other. When you share two linked events, one event provides the reason and the second event describes the outcome. If you state the reason first, a transition word signals that the listener should expect an outcome. Confusing these roles can reverse your message and confuse your coworkers or clients.

Use therefore when your listener already understands the background fact and you want to present the logical outcome. This adverb often appears in workplace emails, meeting notes, and project summaries where clear logical steps matter. You must place therefore before the result, never before the underlying reason. Placing it in front of the reason creates an incorrect statement.

Você pode praticar isso novamente em Bring about e Adverbs of time: choose natural sentence positions.

When you want to explain why something took place in a single fluid sentence, use because. Unlike result adverbs, because connects directly to the cause itself. You can place the because clause at the beginning of the sentence or at the end without using semicolons. This flexibility makes because ideal when explaining reasons behind decisions or delays to customers.

When two complete thoughts are closely linked in meaning, you can join them in a single sentence using a semicolon before the result adverb. Follow the adverb with a comma to separate it from the result clause. A semicolon shows readers that the two ideas belong together as one continuous thought, which keeps professional writing compact and organized.

Starting a new sentence with Therefore or Consequently gives your message a deliberate, measured pace. Put a period at the end of the cause statement, capitalize the result adverb, and place a comma directly after it. This structure works especially well when either the cause or the result sentence contains multiple details that would make a single combined sentence too long.

Consequently introduces a result of an earlier action or situation. It can describe a good or bad result and does not mean that the result was inevitable. Thus can introduce a logical conclusion or mean in this way. These words fit formal reports; so is a more conversational choice.

While adverbs such as therefore and thus look natural in writing, they can sound stiff during casual spoken English. In everyday dialogue, English speakers use the coordinating conjunction so to express the exact same relationship. Using so maintains the cause-then-result order without making your speech sound rehearsed or academic. Use a simple comma before so when joining two short clauses.

A frequent error among intermediate writers is connecting two complete sentences with only a comma before therefore. This error is known as a comma splice. Because therefore is an adverb rather than a coordinating conjunction like and or but, it cannot join independent clauses on its own. You must place either a semicolon or a period before the adverb to keep the sentence structure sound.