YOU SAID:

I'm in history class procrastinating

INTO JAPANESE

私の歴史クラスの先延ばしに

BACK INTO ENGLISH

To procrastinate my history class

INTO JAPANESE

私の歴史の授業を先延ばしにする

BACK INTO ENGLISH

I will postpone my history class

INTO JAPANESE

私は木曜日に歴史の授業に出席しなければならない。

BACK INTO ENGLISH

I must attend my history class on Thursday.

INTO JAPANESE

私は木曜日に歴史の授業に出席しなければならない。

BACK INTO ENGLISH

I must attend my history class on Thursday.