If you were to write the TOEIC test, how much time do you think you would have left over after you finish?
You're a native English speaker, so I wonder how long it would take you to write the TOEIC test.
ーIf you were to write the TOEIC test, how much time do you think you would have left over after you finish?
「もしあなたがTOEICを受けるなら、どのくらい時間が余ると思う？」
how much time do you think you would have left over ...? で「どのくらいの時間が余ると思いますか？」
ーYou're a native English speaker, so I wonder how long it would take you to write the TOEIC test.
「あなたはネイティブだから、TOEICを受けるのにどのくらい時間がかかるんだろう」
I wonder how long it would take you to ... で「あなたが…するのにどれくらい時間がかかるんだろう」
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