1,否定：we are not eating lunch.一般疑问句：are we eating lunch ? 提问：what are we doing ?
否定：we do not eat lunch at noon 一般疑问句：do we eat lunch at noon ? 提问：when do we eat lunch ?
2 , 否定：he is not swimming at a pool 一般疑问句：is he swimming at a pool ? 提问where is he swimming ?
否定he does not swim at the pool every day 一般疑问句does he swim at the pool every day ? 提问what does he do at the pool every day ?
3 , 否定,Jim and yony are not playing basketball at school 一般疑问句,are Jim and yony playing basketball at school ? 提问,who are playing basketball at school ?
否定,Jim and Tony do not play basketball non Sundays一般疑问句,do Jim and Tony play basketball on Sundays提问when do Jim and Tony play basketball ?
4 , 否定,Sandra is not running 一般疑问句,is Sandra running ? 提问what is Sandra doing ? 用手机打的太累了,希望你满意