Things were improving now.
I may have to work on improving that.
You can help improving the quality of this site.
Where, as in England, they felt that they could improve, they substituted for the style of the country their own style - that is, a style which they had not created but which they had adopted, which they had made thoroughly their own, and which they went on improving in England no less than in Normandy.
Physically, he was improving, but not in the conversation or response area.