meaning: to return something
"I'll lend you my book if you promise to bring it back on Saturday."
"Bring back the report when you have finished reading it."
meaning: to complete a form
"Please fill in this form."
"Before I could get a bank loan I had to fill in lots of forms."
meaning: to wear something
"She has on a new pair of shoes."
"At the meeting, Simon had on his best suit."
meaning: to extinguish/ to make a fire stop working
"I'm sorry you can't smoke in here. Please, put out your cigarette."
"They made sure to properly put out their fire before they left the campsite."
meaning: to remove clothes/ to get undressed.
"Take off those dirty boots before you stand on my clean carpet."
"I can't wait to get home, take off my clothes and have a hot bath."