At a glance
~はもちろん~も means "not only A but also B" or "A, of course, and B too". A is the obvious case, and B is added as also true.
[A] はもちろん、[B] も ~
彼は英語はもちろん、フランス語も話せます。 He can speak French, not to mention English.
How to form it
| Attaches to | Pattern | Example |
|---|---|---|
| Noun | Noun はもちろん、Noun も | 子どもはもちろん、大人も楽しめます。 |
| Verb (plain form) + の | Verb のはもちろん、Verb のも | 泳ぐのはもちろん、走るのも得意です。 |
When B needs a particle such as で or に, it usually stays before も: 海外でも, 外国にも.
It is used in both polite and casual speech, and also in writing.