1.even usually goes before the word or phrase that you want to emphasize because it is surprising :用在你想强调的词或短语前面,表示惊讶：
Even Grandma was dancing.| Your room is even messier than mine!
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2.But even usually goes after an auxiliary verb or modal verb 经常在助动词或情态动词之后:They have even invited the teacher (NOT They have invited even...).| He can't even spell his own name (NOT He even can't...).