YOU SAID:
If you do not procrastinate, you would have done your work since yesterday.
INTO JAPANESE
先延ばしにしなければ、昨日から仕事を終えているはずです。
BACK INTO ENGLISH
If I hadn't procrastinated, I would have finished my work since yesterday.
INTO JAPANESE
もし先延ばしにしていなかったら、昨日から仕事を終えていただろう。
BACK INTO ENGLISH
If I hadn't procrastinated, I would have finished my work since yesterday.
That didn't even make that much sense in English.
