もしデータを十分に分析しなければ、結論を導くときに間違いを犯すでしょう。

If I didn't analyze the data carefully, I would err when drawing conclusions.

もし指示を聞かなければ、すべての解答で間違いをするでしょう。

If you don't listen to the instructions, you would make mistakes on all the answers.

もし情報源を確認しなければ、彼らは結論で誤りを犯すでしょう.

If they didn't verify their sources, they would make mistakes in their conclusions.

もしノートを見直さなければ、試験の質問に答える際に間違えるでしょう。

If you don't review your notes, you would be mistaken when answering the exam questions.

もし指示に従わなければ、私たちは手順を誤るでしょう。

If we do not follow the instructions, we would make a mistake in the procedure.