По-моему так:
1)who did describe our students and showed our photos in her school?
2)what students did mrs grey describe and show photos in her class?
3)what did mrs grey do?
Он относится к ним положительно
Это сложно. Я не понимаю....
Are you dancing now??
Are you danced yeasterday
they swim
they swam
I read a book
I rode a book
He understand teacher
he understood teacher
she sing
she sang