Modal Verbs and Sentence Transformations

It's possible that I left my wallet at home.

It was a bad idea for you to lend Jack your phone.

I don't believe that Kitty was so rude to you.

Readers are not allowed to take books out of the library.

It isn't necessary for you to finish the report by Sunday.

It's important that we arrive at the gas station on time.

I don't think that Sally enjoyed her holiday.

I'm sure that Karen was a beautiful baby.

I have guitar lessons on Saturday mornings.

She bought the red dress in that shop.