The past participle of avoid is avoided. It means to shy away from, steer clear of.
(See Related questions below)
Avoided is the past participle of avoid. It's also the past tense.
The past perfect tense of "avoided" is "had avoided."
The past participle of "am not" is "have not been."
The past participle of "do" is "done." The past participle of "have" is "had."
The past tense of "have" is "had," and the past participle is also "had."
The past and past participle for "buy" is "bought."
Being is the present participle. The past participle is been.
The past participle is thought.
Eating is the present participle; eaten is the past participle.
"Did" is the past and "done" is the past participle.
The past participle is had.
The past participle of "do" is "done."
The past participle is done. The simple past tense is did. The present participle is doing.