YOU SAID:

As he crossed toward the pharmacy at the corner he involuntarily turned his head

INTO JAPANESE

彼はコーナーで薬局に向かって彼が突然頭を振った

BACK INTO ENGLISH

He suddenly shook his head to the pharmacy at the corner

INTO JAPANESE

彼は突然、隅の薬局に頭を振った

BACK INTO ENGLISH

Suddenly he shook his head to a corner pharmacy

INTO JAPANESE

突然彼は隅の薬局に頭を振った

BACK INTO ENGLISH

Suddenly he shook his head to a corner pharmacy