YOU SAID:

I don't get to go to school for the next few weeks and I am sad.

INTO JAPANESE

次の数週間は学校に行けず、悲しいです。

BACK INTO ENGLISH

I can't go to school for the next few weeks and am sad.

INTO JAPANESE

次の数週間は学校に行くことができず、悲しいです。

BACK INTO ENGLISH

I can't go to school for the next few weeks and am sad.