(In the future) If you obtain weird results, your experiment was/has been screwed up.
If you have weird results (now), your experiment was/has been screwed up.
In the first example, the experiment is of the future, but it will be done before getting the results. "Was" sounds wrong to me as it refers the experiment as a past event (i.e. before the speech). Which should be used?
In the second example, I'm sure "was" and "has been" are both acceptable.
If you have weird results (now), your experiment was/has been screwed up.
In the first example, the experiment is of the future, but it will be done before getting the results. "Was" sounds wrong to me as it refers the experiment as a past event (i.e. before the speech). Which should be used?
In the second example, I'm sure "was" and "has been" are both acceptable.