Which sentence contains an error in the auxiliary chain of a future passive?
The balcony will be reopened after the safety check.
The archive will archived the signed letters next week.✓Correct answer
The seedlings will be moved indoors before the frost.
The final route will be published after the consultation.
Explanation
The archive sentence is erroneous because will archived omits be between the future auxiliary and the participle. The other sentences all retain the complete future-passive chain before their participles.