Over the past three years, Marcus has accumulated a sufficient amount of bird bones.
Decipherability means to determine the meaning of. And as it has suffixed to 'able', i.e. Decipherable, it means the one which could be determined like that
Here are my answers:
1. I think that this phrase <span>ON THE TABLE is an adjective phrase.
2. It is an adverb phrase for sure.
3. </span><span>MY ENGLISH TEACHER is most likely to be an appositive phrase.
Hope you'll find it helpful.
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