The phrase "a negative past" is correct and usable in written English.
It can be used to refer to experiences or events in someone's history that are perceived as unfavorable or detrimental.
Example: "She often reflects on her negative past, which has shaped her perspective on life."
Alternatives: "a troubled history" or "an unfavorable background".
Pettyfer claims the reason for his 'risky' reputation came after a "negative past" in promoting earlier films.
For Fassel, that Minnesota tape is part of a negative past he is attempting to exorcise; his November prediction and Sunday's game against Philadelphia, he hopes, are a part of a positive future.
That's not to say his life is easy now, but he quite literally walked away from a negative past and has carved out a much brighter one.
When thinking about a negative past event, people should be sadder when they describe it using the imperfective aspect (which brings them mentally nearer to it) than when using the perfective aspect.
These liturgies consist more of "unbaptism rituals"—where a person lets go of religious dogmas and the guilt associated with so-called sins and "destruction rituals"—when a person destroys an object that reminds them of a negative past experience than they do the beheading of chickens and goats.
A negative past experience with the health care system or a provider was identified as an additional factor that potentially contributed to inadequate use of PNC services.
Among patients who were negative towards student involvement, a majority had negative past experiences of student participation [ 5].
The positive significant value of γ indicates the existence of a leverage effect where negative past values of ε t increase volatility more than positive past values of the same magnitude.
This often means giving them a clean slate, erasing the negative past and not making it an on-going reality.
Using Participatory Video and Most Significant Change in Côte d'Ivoire "From the age of eight I knew how to hold and shoot a gun….I'm no longer the violent child that I was yesterday, today I am a messenger of peace...I wanted to transform my negative past into a positive future".
Over-thinking is a time suck -- you're so busy in a negative future state or negative past situation (which you can't change) that you completely forget about right here right now.
