Question

He patted me on the head and said never mind, he'd teach me to cook. [Add a question Tag]

Answer 1

$Hey...$

Here is your answer..

He patted me on the head and said never mind, he'd teach me to cook, didn't he ?

Explanation :

For adding a question tag we use the opposite degree of the sentence.

For example, here we used didn't he.

Hope it helps.

Answer 2

He patted me on the head and said never mind, he would teach me to cook, didn't he ?