interesting films interested spectators
exciting games excited children
boring lessons bored students
burning fires burnt woods
sinking ships sunk ships.
1. A crowd of (excite) people were watching the firemen trying to save the (burn) building. 2. "During my vacation I came across several extremely (interest) books," said he. "Which ones?" she asked in an (interest) voice. 3. Why do you look so (worry)? – I've had a number of (worry) telephone calls lately. 4.1 don't know what was in the (burn) letter, I didn't read it. 5. Nothing can save the (sink) ship now, all we can do is to try and save the passengers. 6. It was an (excite) incident. No wonder she spoke about it in an (excite) voice. 7. After hearing the (frighten) tale, the (frighten) children wouldn't go to sleep. 8. The doctor did his best to convince her that there was nothing seriously wrong with the boy, but the (worry) mother wouldn't calm down.