Hello, I know that 'be + to do' could be used to express intention, future action; but what's the meaning of 'be + yet to do' ? what's the meaning of 'yet' here?

ESLBeginnerwhat's the meaning of 'be + yet to do' ?
"Yet" means "still", or "remaining," in this context.

This remains to be done.

This is still to be done.

This is yet to be done.

What is there to do?

What is [there] yet to do?

This is yet to do.

As you can see, the question works better than the statement, unless you use the passive.

None of these are really common.

I hear "She has yet to do something/anything worthwhile." (So far, she hasn't done anything worthwhile.)