Which of the following statements is grammatically correct?
a. He is supposed to wait for I at the end of the day.
b. She said that her is learning to play an instrument.
c. He wants to surprise him mother with flowers.
d. You and I can pull the wagon together.
a is not correct: it should be "wait for me" b. it should be "she is learning" c. i think it's supposed to be "his mother" (else him (father?) and his mother? d - I can't find any mistakes here, correct!
