troubleshot
It must be admitted that this often sounds strange when used.
e.g.
Director: Have you sorted out those staffing problems in our West City branch yet?
Manager: Well actually, I troubleshot them all last week. What I did was ...
Unfortunately this sounds as if the Manager shot the workers! However, 'troubleshot' is, by reverse conjugation, the correct past form of troubleshoot, based on the past form of to shoot. And the past of shoot is shot, NOT shooted!
In view of the fact that the past form 'troubleshot' may sound peculiar, an alternative expression or synonym is often used.
e.g. Manager: Well, I actually sorted it all out (resolved the matter) last week. What I did was ...
Worried is past tense. The present tense is worry.
The past tense is conducted.
The past tense is influenced.
The past tense of treat is treated.
'Shook' is past tense.(of SHAKE).
the past tense of am is was and the past tense of has is had
The past tense of get is got. For isn't a verb and so doesn't have a past tense. The past tense of has is had. Had is already the past tense. The past tense of have is had.
Was and were are both the past tense of be. The present tense is: I am he is you are they are The past tense is: I was he was you were they were
The past tense of "will" is "would". The past tense of "to be" is "was" or "were".
Wrote is past tense. It is the past tense of write.Wrote is already a past tense.
The past tense of "finish" is "finished". The past tense of "be" is "was" (singular) or "were" (plural).
The past tense is schooled. The past continuous tense is 'was/were schooling'.
Simple past tense. Past perfect tense. Past continuous tense.
Existed is the past tense. The past perfect tense is had existed.
Met is the past tense of meet, and you can't have past tense of something that is already past tense.
Simple past tense. Past perfect tense. Past perfect continuous tense. Past continuous tense.
Worried is past tense. The present tense is worry.