while: While I was playing piano, my father was reading.
when: When I am doing my homework, my mother is cooking.
when: When I am watching TV, my brother is doing their homework.
while: While I was playing game boy, my aunt is writing a letter.
while: While I was playing piano, my father was reading.
when: When I am doing my homework, my mother is cooking.
when: When I am watching TV, my brother is doing their homework.
while: While I was playing game boy, my aunt is writing a letter.