"You read a book."
Translation:Jij leest een boek.
Normally this sentence would be part of a larger context. Within that context it would be easier to make out about whom you are talking. This sentence does not give an indication whether it is singular or plural. It could also be either formal or informal, so all three options of "you" should be acceptable.
- Jij/je leest
- u leest
- jullie lezen