Замените сложное предложение на предложение, содержащее инфинитивный оборот.

Model 1:

Scientists consider that his invention is of great importance.
His invention is considered to be of great importance.

Model 2:

It is said that the book is popular with both old and young.
The book is said to be popular with both old and young.

It is expected that some new textbooks will be published soon.

Some new textbooks Ответ soon.