「～したかったなあ」は英語でI wish I could have done(例文あり)

I wish I could have gone as well. (私も行けたらよかったなぁ)

I wish I could have gone with you. (一緒に行けばよかったなあ)

That’s so nice, I wish I could have gone, too... (いいな～、僕も行きたかった...)

I wish I could have gone to school for a little while longer. (もっと学校へ行きたかったなあ)

I wish I could have learned more English from you. (もっともっと沢山、あなたから英語を習いたかったなあ～)

You’re finally going back to San Diego. I wish I could have met you once before you leave. Let me know if you come back to Japan again! (ついに、サンディエゴに帰るんだね。帰る前に会いたかったね。次にまた日本に帰って来る時は教えてね！)

I wish I could have seen this play live. (この劇、生で観てみたかったなぁ)

I wish I could’ve seen you. (あなたに会えたらよかったのに)

I wish I could have shown her a better time. (もっと彼女を楽しませてあげられたらなあ)

It’s been one week since I came back to Japan, but I already miss Australia. I wish I could’ve stayed there longer. (日本に帰ってきてから1週間経つけど、もうオーストラリアが恋しい。もっと長くいたかったなあ)