Complex sentence: He saw active duty at Amoaful in the Ashanti campaign of 1873-1874 on the staff of Sir Garnet Wolseley and was the commandant of headquarters in Egypt for three months in 1882, being present at the Battle of Tel el-Kebir.
Split into simpler sentences: He saw active duty at Amoaful in the Ashanti campaign of 1873-1874 on the staff of Sir Garnet Wolseley. He was the commandant of headquarters in Egypt for three months in 1882, being present at the Battle of Tel el-Kebir.