?
Is she cooking?
?
Is she singing?
?
Is he writing?
?
Are they watching TV?
?
Is he playing the guitar?
?
Are they playing football?
?
Are they dancing?
?
Is she reading a book?
?
Is he eating a sandwich?
?
Is he drinking water?
?
Are they climbing a tree?
?
Is he riding a bike?
?
Are they talking?
?
Is he swimming?
?
Is he skating / rollerblading?
?
Are they skipping?
