大英 だいえう帝国 ていこく勲章 くんしょうだったら
daieuteikokukunshōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 大英帝国勲章

1. If it were the Order of the British Empire; If it was the Order of the British Empire

Tara Conditional