'Whether' in the Bible

They closely watched Him to see whether He would cure him on the Sabbath--so as to have a charge to bring against Him.

But in the distance He saw a fig-tree in full leaf, and went to see whether perhaps He could find some figs on it. When however He came to it, He found nothing but leaves (for it was not fig time)

Then a man ran to fill a sponge with sour wine, and he put it on the end of a cane and placed it to His lips, saying at the same time, "Wait! let us see whether Elijah will come and take him down."

But Pilate could hardly believe that He was already dead. He called, however, for the Centurion and inquired whether He had been long dead;