Difference between instead and insteadof: instead is an adverb, usually located in a sentence, insteadof is a compound preposition that can be followed by words other than nouns and pronouns, such as adjectives, adverbs, verbs, and mediums.
nstead is an adverb, which means “replacement” and “replacing”. Such as: Mr. Wang is ill, I will take his class instead.
The conversion between instead and instead of.
1.He didn’t answer me, instead, he asked me another
2. I’ll of代替她。她不会去。我代替她去，希望能帮助你