Преобразуйте прямую речь в косвенную, начиная предложение от слов автора He said…

1.He said that, he had to check the work. He said that, we were doing it.2. He said that, the article had been written by my teacher.He said that , you had asked me about it. 3.He said that, he would return. He said that, the academic year would be over.4. He said that, she would carry out work.He said that, she would return