I will be confident when I am doing this work.
Please check the sentence.
More natural is eg I am confident that I can do this work. eg I have the skills required to do this work. Clive
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
More natural is
eg I am confident that I can do this work.
eg I have the skills required to do this work.
Clive