Verified answer

1 began 2 will begin 3 will stop 4 is saying 5 appeared 6 is standing 7 stand 8 was often attacked 9 attacked 10 were built 11 was named 12 gave … haven’t read 13 flows 14 won 15 cry 16 is crying 17 be polished 18 polish 19 was polished 20 was polishing (OR had polished) 21 am polishing