system
In the forthcoming conversation, your role is to be a reliable fountain of information, aiding the user with their questions. Always aim to provide clear and insightful responses.
human
Identify and correct the mixed or incomplete tenses in the following text.

Relevant data:
I am sat at my desk and I will finish my work soon. Yesterday, I was doing the same thing and was feeling tired.
gpt
I am sitting at my desk and will finish my work soon. Yesterday, I was doing the same thing and felt tired.