Which preposition to use with an

en Occurrences 2%

Jacques II, son fils, fut tué à vingt-neuf ans en combattant contre les Anglois.

in Occurrences 2%

The T'ang had come into power with the aid of the eastern Turks, but they admitted the leader of the western Turks to their court; he had been at Ch'ang-an in the time of the Sui.

as Occurrences 1%

By 1934, this pressure became so strong that Kiangsi had to be abandoned, and in the epic "Long March" the rest of the communists and their army fought their way through all of western and north-western China into the sparsely inhabited, underdeveloped northern part of Shensi, where a new socialistic state was created with Yen-an as its capital.

over Occurrences 1%

Heap of black an white jes ramlin round through the woods an over the roads huntin a little to eat or a little sumpin to do.

Which preposition to use with  an