There are a few ways you could express that you have made progress in your Engpsh speaking skills:

"I've made a lot of progress in my Engpsh speaking."
"I've noticed a significant improvement in my Engpsh speaking abipties."
"I feel much more confident in my Engpsh speaking now."
"I've made a lot of strides in my Engpsh speaking recently."
"My Engpsh speaking skills have come a long way."

You could also use specific phrases to describe the aspects of your speaking that have improved, such as "I'm much more fluent now" or "I've really worked on my accent and I think it's getting better."