Annie ran; therefore she was early.
Annie ran is the reason she was early.
When to use therefore
Therefore means “for that reason.”
Example
Conjunctions connect words, phrases, or clauses. Therefore is an example of a conjunctive adverb (a.k.a. “THAMO”).
Use therefore when you connect a reason to a result.
Examples
Didi just went to the store; therefore we have fresh apples to make a pie.
Jen forgot to put gas in her jet pack; she, therefore, will be late to soccer practice.
Note how each of the different THAMOs has a different meaning:
| Common THAMO | Meaning |
|---|---|
| therefore | “for that reason” |
| however | “in contrast” |
| meanwhile | “during that same time” |
| otherwise | “or else” |