Russian: Are these "I don't know..." sentences correct?
Я не знаю... I don't know...
whether or not:
читал ли Brian эту книгу.
whether Brian has read this book (once) before or not.
who:
кто читал эту книгу.
who has read this book (once) before.
what:
что Brian прочитал.
what Brian read yesterday.
when:
когда Brian прочитал эту книгу.
...when Brian read that book.
where:
где Brian прочитал эту книгу вчера.
where Brian read that book yesterday.
why:
зачем Brian прочитал эту книгу вчера.
why Brian read that book yesterday.
how:
как Brian прочитал эту книгу вчера.
how Brian read that book yesterday.