My sister hasn’t done homework for herself.
The point is that she doesn’t do homework for herself.
Near the end of the session, students often find it hard to motivate themselves to do homework.
doing homework is such a drag.
I sure hope we don’t get any this weekend.
The main criteria used in our study of language learning were hours spent doing homework, and years of previous study.
One concern: the number of youngsters who feel comfortable multi-tasking while doing homework.