I've been making good progress.
...
I've been taking it easy.
...
I've been getting nowhere.
...
I've been spending a lot of time doing that.
...
I've been having problems with that.
...
I've been concentrating on one thing.
...
I haven't had time to do something.
...
I've wasted a lot of time.
...
I've been doing my best.
...
I've saved a lot of time
...
