Ответ:
3. She complained of pain in her stomach two days ago.
4. They included new questions in all the tests month ago.
1. entered -> didn't enter
2. attended -> didn't attend
3. discussed -> didn't discuss
4. used -> didn't use
1. will be
2. will study
3. will visit
4. will have
1. will->won't
2.will->won't
3. shall -> shall not
4. will->won't