Can you put ameliorate in a transitive sentence?

After days without seeing each other, the couple began to osculate passionately.

I am very glad to see that someone is working to ameliorate our problams

I put the envelope on the table 10 minutes ago. Where did he put his coat?Did they put it back where it belongs?After he took what he needed he put it back in it's original position and left.

The construction worker carefully put the finishing brick piece to complete the building project. OR, in another sense of "put": "He decided to put his answer in the most diplomatic way he could."

Can you put a couple of extra pencils in my backpack? If you put a couple of strawberries on top, the kids will gobble up the fruit salad! "Put a couple of signs around the neighborhood, and the yard...