If I were to travel abroad, do you think people would understand my English?
Do you think I would be able to communicate with people in English if I went to a foreign country?
ーIf I were to travel abroad, do you think people would understand my English?
「もし海外旅行に行ったら、私の英語を理解してくれると思いますか？」
travel abroad で「海外旅行に行く」
understand my English 「私の英語を理解する」
ーDo you think I would be able to communicate with people in English if I went to a foreign country?
「外国に行ったら、英語で人々とコミュニケーション取れると思いますか？」
be able to communicate with people in English で「英語で人々とコミュニケーションを取ることができる」
go to a foreign country で「外国に行く」
ご参考まで！
カナダ 
