noun - a tense that is used for actions that happened at some point in the past or happened regularly in the past, were generally true etc. Verbs usually have the ending -ED and in questions and negatives we usually use DID / DIDN'T
noun - the process of burning in which a substance reacts with oxygen
adverb, American English - at the same level or standard as someone or something else
adverb - at the same level or standard as someone or something else