bilmirəm

In a sentence

• Mən bunu necə edəcəyimi bilmirəm.

  I don't know how to do this.

  In this sentence, 'bilmirəm' is used to express a lack of knowledge or understanding regarding how to accomplish something.

• Bu məqaləni yazanın kim olduğunu bilmirəm.

  I don't know who wrote this article.

  Here, 'bilmirəm' conveys the speaker's uncertainty or lack of information about the identity of the author of the article.

• Onun nə vaxt qayıdacağını bilmirəm.

  I don't know when it/she/he will return.

  In this context, 'bilmirəm' indicates that the speaker does not have information regarding the timing of someone's return.