1. He often goes to the movies.

Question

2. Often he goes to the movies.
3. He goes to the movies often.
[Are they all correct? Would you check the position of 'often'?]

Answer 1

All are correct, but 1 is the best, and 3 is next best.

Remember to keep adverbs as close to whatever they're modifying as possible, just as you should do with adverbs. This goes for adverbial and adjectival phrases and clauses.