One of the girls has/have given up her/their seat/s
has, her, seat
Is everyone happy with his or her/ their gift?
his or her
All of the people clapped his or her/their hands.
All of the newspaper was/were soaked.
Most of the classes was/were full
Most of my body is/are aching
Neither of my brothers like/likes loud music.
Neither my roommate nor my neighbors like/likes loud music.
Neither my neighbors nor my roommate like/likes loud music.
Either my brother or my parents is/are the culprit.
Either my parents or my brother is/are the culprit.
After deliberating, the jury reports its/their verdict
The jury still disagree/disagrees on a number of counts.
Two-thirds of the park has/have burned.
Two-thirds of the students was/were commuters.
Carla is one of the employees who always work/works overtime.
Sue is the only one of the employees who always work/works overtime.
If I was/were to be young again, I'd make smarter decisions.
If she was/were a professor, she wouldn't give any exams.
If my friend was/were to lose her job, she would probably not find a new one quickly.
I wish I was/were prettier.
He ran as if he was/were being chased by a ghost.
People treated her as though she was/were a queen.
You/Your winning in spite of the odds inspired us all.
We could not stand him/his whining about everything.
Lay/Lie the books on the desk
I lay/laid on the sofa earlier
I lay/laid the books on the desk this morning.
I have lain/laid on the sofa.
I have lain/laid the books on the desk.
Who/Whom do you think wrote the story?
Who/Whom did you visit?
The center is open to whoever/whomever wants to use it.
The minister grimaced at whoever/whomever she greeted.
The minister grimaces at whoever/whomever made any noise.
The next two speakers will be Philip and her/she.
His brother has always been more athletic than him/he.
Both panelists - Tony and I/me - were inspired.
The committee elected two representatives: Sue and I/me.
Come to work with Jose and I/me.
There has been another conflict between my sister and I/me.
We/Us fans never give up hope.
The rangers depend on we/us fans.