The part of speech is adjective
1.) Howie was handed his directions.
→ Howie handed his directions
2.) The bike was stolen on Thursday.
→ the robber stole the bike on Thursday
3.) A good batch of cookies was baked by the scouts.
→ the scouts baked a good batch of cookies
4.) The decision was made.
→ someone made the decision
5.) The test was taken by the class.
→ the class took the test
6.) The sentences were written on the board.
→ someone wrote the sentences on the board
7.) The sentences were combined.
→ someone combined the sentences
8.) My foot was broken by the accident.
→ the accident broke my foot
9.) The passive sentences were corrected.
→ someone corrected the passive sentences
10.) Sentences which were written in the passive voice often end in prepositional phrases.
→ sentences which someone wrote in the passive voice often end in prepositional phrases
There are 3 adjectives. Impatiently, several, and dusty
When a close encounter with a black mamba left him unharmed, George felt reassured in his plan.