she said that the book was based on 还是is base on a true storyshe said that the book was based on 还是is based on a true story 说明理由
问题描述：
she said that the book was based on 还是is base on a true story
she said that the book was based on 还是is based on a true story 说明理由
答
is based on a true story
答
他将要在下个月出版的第一部作品源于一个真实的故事。 His first book _ next month全部是作为主语，而出版与书的关系肯定形成被动语态，to be done为
答
she said that the book was based on 意思是：她说这本书是基础.因为它是定语从句,所以可只考虑从句,在从句中 the book .这本书充当主语,并不是书中的其他东西,所以在这里based on 可以理解为基础.如从被动语态来说...
答
is based on因为真理或者事实，虽然存在过去但要用现在时