do it on my own
He finished doing it himself.
I need to do it myself.
Tom non dovrà farlo da solo.
Tom won't have to do it alone.
Potrei probabilmente farlo da solo.
I could probably do it myself.
Tom potrebbe farlo da solo.
Tom could do it himself.
I can do it myself.
I should have done it myself.
He is able to do it on his own.
I can't do it by myself.