YOU SAID:
He said he was not there in class yesterday; however, he was there for a long time.
INTO JAPANESE
彼は昨日クラスにいないと言った。しかし、彼は長い間そこにいました。
BACK INTO ENGLISH
He said he was not in class yesterday. But he has been there for a long time.
INTO JAPANESE
彼は昨日クラスにいないと言った。しかし、彼は長い間そこにいました。
BACK INTO ENGLISH
He said he was not in class yesterday. But he has been there for a long time.
That didn't even make that much sense in English.