Question

Add question tag to the following sentences. great books and manuscripts are so expensive​

Answer 1

$\begin{gathered}{\Large{\textsf{\textbf{\underline{\underline{\color{purple}{Añswér:}}}}}}}\end{gathered}$

❥The two basic rules about question tags are that if the statement is positive the tag must be negative and vice versa and that the tense of the tag is determined by the tense of the auxiliary/modal verb of the statement that precedes it