In this task you are given a sentence. You must judge whether the main verb of the sentence is in present or past tense. Label the instances as "Present" or "Past" based on your judgment. If there is no verb in the given text, answer "Present".

But with HIV, any attempts to purify it and then photograph it using standard techniques have been total failures. "
Present

Jeremy asked, his voice husky.
Present

She mentally slapped her own wrist for taking her frustration out on a patient.

Past