Common Mistakes : Ache

Ache – Noun

BAD: After the run, I had an ache in my legs

GOOD: After the run, my legs were aching

Ache is usually used either as a verb or in compounds with tooth, ear, head, back, stomach : I did some weight training on Monday and my shoulders have been aching ever since

That radio of yours is giving me a headache

Compare: After the run, I had pains in my legs