Задайте 2 вопроса,по схеме: question word+auxiliary+subject+predicate к предложению: the sportsmen have been doing weight lifting since morrning

1/ How long have the spotsmen been doing weight lifting?
2/ What have the sportsmen been doing since morning? 
3/ Who has been doing weight lifting since morning? 

1 How long have the spotsmen been doing weight lifting?
2 What have the sportsmen been doing since morning?