Нужно поставить глаголы в скобках в правильную форму
там есть и пассивные конструкции

(a) - was trying

(b) - is situated

(c) - has converted

(d) - think

(e) - told

(f) - was joking

(g) - was searching

(h) - loves

(i) - has helped

(j) - is being decorated

(k) - have knocked

(l) - hadn't been used

(m) - was built

(n) - didn't have

(o) - paid

(p) - has spent