Verse 1:

Sitting in a high chair.

Whose chair?  My chair.

Sitting in my high chair banging my spoon.

Bring on the carrots, bring on the peas.

Won’t somebody come and feed this baby, please.

(Repeat first 3 lines)

Bring on the butter, bring on the bread.

Won’t somebody come and get this baby fed.

(Repeat first 3 lines to end)

Make up more rhymes of your own!