Bonsoir,
Q : Mot interrogatif + be (au présent) + sujet + Vb en ing + ?
R : sujet + be(au présent) + Vb en ing
A) Tom / cycle :
What is Tom doing ? Tom is cycling.
b) Mum / paint
What is Mom doing ? Mom is painting.
c) The Simpsons / have a picnic :
What are The Simpsons doing ? The Simpsons are having a picnic.