chữa lỗi sai giúp mình ạ never before have there had so many people in the United States interested in soccer

Never before have there had so many people in the United States interested in soccer.

`@` Ta có: There + be + N

`=>` had `->` been

(Do câu ở Hiện tại hoàn thành)

`->` Never before have there been so many people in the United States interested in soccer

`@` CT Đảo ngữ: Never before + Trợ động từ (have) + S (there) + V (been) :  Chưa bao giờ trước đó...