We ...(sit) in the park
David ...(study) Chinese
I ...(work) at the moment
The dogs ...(eat) in the kitchen
Sarah ...(have) breakfast
Пожалуйста помогите тут надо поставить в правельную форму

1. We are sitting 2. Is studying 3. Am working 4. Are eating 5. Is having 4. 1)We aren't sitting 2) isn't studying 3) am not working 4) are not earthing 5) is not having