the waiter teach me a few words of english可不可以改成 the waiter do teach me a few.加了did后句子是否错误.是变成了强调句了吗?
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The waiter teaches me a few words of English.（若以现在时态的话,the waiter 是第三人称,teach 后面必须加 es,强调句可以加上 does） The waiter taught me a few words of English.（过去时态的表达） The waite...