In addition means also, furthermore, on top of that. It adds another fact or argument, usually at the start of a new sentence and followed by a comma. In addition to + noun means “besides” or “as well as”: in addition to the salary means on top of the salary.
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Sentence. In addition, + sentence; In addition to + noun/-ing, + clause; clause + in addition to + noun
- Public libraries lend books for free. In addition, many of them run language clubs and computer courses.
- In addition to lowering costs, online meetings save the time people spend travelling.
- The course includes ten group lessons in addition to two practice exams.
What changed
First versionIn addition to work full-time, she is studying for a master's degree.
RevisionIn addition to working full-time, she is studying for a master's degree.
After in addition to, a verb takes -ing, because to here is a preposition (compare in addition to the salary), not part of an infinitive. So in addition to work was changed to in addition to working. The same trap appears in look forward to: look forward to meeting you.
In addition simply adds another argument, while moreover stresses that the new argument carries more weight. In conversation both sound bookish, and people say also or plus instead: The flat is cheap, plus it's near the metro. Examiners see In addition very often, so in essays alternate it with also, what is more and the structure not only… but also.
Your turn
Our hotel has an outdoor pool. ___ the pool, guests can use a sauna and a small gym for free.
Show the answer
In addition to — Right after the gap comes the noun the pool, so you need In addition to, “besides the pool”. In addition without to starts a new idea after a comma and can't take a noun after it.
Describe a job or course that caught your interest. Write a sentence that starts with In addition to + -ing: name one advantage in that part and a second advantage in the main clause.
In addition to offering a good salary, the company lets new employees work from home two days a week.
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