Why ... she ... ?
Why is she singing? Because...
What ... he ... ?
What is he doing? He' skateboarding.
... you ... a hat?
Are you wearing a hat? Yes, I am/No, I'm not
What ... they ... ?
What are they doing? They're playing video games.
What ... the father ...?
What is the father doing? He's teaching his son to ride a bike.
What ... she ...?
What is she doing? She's watching videos on tiktok.
What ... they ... ?
What are they doing? They're studying.
What ... they ... ?
What are they doing? They're chatting/communicating.
What ... she ... ?
What is she doing? She's swimming.
What ... you ... now?
What are you wearing now? I'm wearing ...
... he ... the piano?
Is he playing the piano? No, he isn't. He's playing the guitar.
Where ... she ... ?
Whare is she going/travelling? She's going/travelling to another country/countries.
... they ... TV?
Are thye watching TV? No, they aren't. They're watching the film at the cinema.
What ... they ... ?
What are they doing? THey're dancing together.
What book ... you ... these days?
What book are you reading these days?
What ... they ... ?
They're having a party.