大陸 たいりく横断 おうだん鉄道 てつどう

tairikuōdantetsudō

1. Not a transcontinental railway.

1. Was a transcontinental railway.

1. Transcontinental railroad; Connecting clauses with "te-form" regarding a transcontinental railroad.

1. Transcontinental; Continental crossing

1. It is not a transcontinental railway.

1. It's not a transcontinental railway.; It isn't a transcontinental railway.

1. Was the transcontinental railway.

1. Continental railway; Transcontinental railway

1. Is not a transcontinental railway.; It is not a transcontinental railway.

1. Wasn't a transcontinental railway.

1. Probably a transcontinental railway.

1. Was not a transcontinental railway.; It wasn't a transcontinental railway.

1. Wasn't a transcontinental railway.

1. Probably a transcontinental railway.

1. Was not a transcontinental railway.

1. If it were the transcontinental railroad; If the transcontinental railroad existed

1. If the transcontinental railway existed; Were there a transcontinental railway

1. If/when the transcontinental railroad…; If there were a transcontinental railroad…