The conversation between human and AI assistant.
[|Human|] Identify the correct verb tense to replace the underlined words in the following sentence:

He has been reading the book for the past two hours.
[|AI|] The underlined word in the sentence is "has been reading" and is written in present perfect continuous tense.
[|Human|] 
Identify the correct verb tense to replace the underlined words in the following sentence:

He has been reading the book for the past two hours.