simple past tense of run a train

Third-person singular simple present indicative form of run a train

present participle of have a seat

simple past tense and past participle of have a seat

Third-person singular simple present indicative form of knock someone over with a feather

simple past tense and past participle of knock someone down with a feather

Third-person singular simple present indicative form of knock someone down with a feather

Third-person singular simple present indicative form of take a back seat

past participle of take a back seat

simple past tense of take a back seat