Question

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.

Answer 1

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!