Переведите из прямой речи в косвенную "why are you looking so sad, Jec?"I said.

she said to her son" i ll buy a new coat for you tomorrow"
"Can you help me to solve this problem?" asked she
mather said,"Jane,don t speak too loudly"
she asked tom if he had known mary before

I asked Jec why he/she is looking so sad.

She said that she would buy a new coat for her son the next day.

She asked me if I can help her to solve that problem.

Mother asked Jane not to speak too loudly.

Объяснение:

Verbs and nouns are important part of sentences in direct and indirect speech. We use if or whether with questions.