В общем ,как я поняла,Вас просят тут расписать две формы в некоторых местах -для презент симпла и континьюса(он же прогрессив)Итак ,начнем.
1.Now Sylvia is doing her homework in the garden/Sometimes Sylvia does her homework in the garden.
2.We never run here.
3.Do you often speak English?/Are you speking English now?
4.He doesn't sit there every day/He isn't sitting there now.
5.They are cycling to school this week/They cycle to school every morning