One can check verbs forms in different tenses. What crimes have been committed or attempted in space? Is it possible for a new irregular verb to appear in English language? Agree with Boofus: I spent xx hours troubleshooting. The technology team began to troubleshoot the problem as soon as the CIO became aware of the issue. How to deal with a younger coworker who is too reliant on online sources. As for the proper form of the past tense, Pinker says that it is troubleshooted, Garner says that it is troubleshot, Wallraff says that authority can be found (with some difficulty) for both forms, and Cunningham & Greene simply advises writers not to use the past tense of troubleshoot at all. NOAD fails to specify that the past tense of the verb is irregular, as it does with overshoot (overshot), and its front matter doesn't tell you to refer to the root verb (shoot)—— so it seems implicitly to be calling for troubleshooted. Past perfect continuous. The third-person singular simple present indicative form of troubleshoot is troubleshoots. Base Form (Infinitive): Shoot. You/We/They will/shall have been shooting. The erroneous past-tense and past-participial form troubleshooted sometimes appears—e.g.