- a. I did not know which way to go.
b. She asked me what book to buy first to study “haiku".
cf. I have not decided what to buy for my father’s birthday.
- a. The man was no longer there.
b. I can no longer wait for my turn.
- a. Either you or your brother must take care of the dog.
b. Every American is either an immigrant or a descendant of immigrants.
- a. There were a lot of hardships waiting for them.
b. There is a little boy playing alone by the pond.