Soru: Which of the following sentences uses the present perfect continuous tense correctly?
A) I have been knowing him for five years.
B) She has been worked here since 2010.
C) They have been studying English lately.
D) He has been finish his homework.
Çözüm: The present perfect continuous tense is used to describe an action that started in the past and is still continuing in the present. The correct structure is 'have/has been + verb-ing'. Option C is the only one that follows this structure correctly. Therefore, the answer is C.
