YOU SAID:

I cannot come to the class today because I slept late last night watching tv

INTO JAPANESE

私は昨夜遅くテレビを見て眠ったので今日はクラスに来られない

BACK INTO ENGLISH

I slept late last night watching TV and can not come to class today

INTO JAPANESE

私は昨夜遅くテレビを見て眠り、今日は授業に来られません

BACK INTO ENGLISH

I slept watching TV late last night and can not come to class today

INTO JAPANESE

私は昨夜遅くテレビを見て眠り、今日は授業に来られません

BACK INTO ENGLISH

I slept watching TV late last night and can not come to class today