Sail is a regular verb so add -ed to make the past and past participle.
They have sailed to Canada.
The past participle of sail is sailed.
sailed
Sailed is the past form of the verb sail. The present participle of a verb is always verb + ingSo the present participle of sail is sailing
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.
Eating is the present participle; eaten is the past participle.
The past participle is thought.
"Did" is the past and "done" is the past participle.
The past participle is had.
The past participle of "do" is "done."