因為did是表示過去式的,助動詞用了過去式,動詞就得用原形
在疑問句和強調(diào)句中才會有助動詞提前的情況,其他時候都是直接用動詞過去式的
比如：He visited his uncle yesterday. (普通過去式）
He did visit his uncle yesterday. （強調(diào)）
Did he visit his uncle yesterday? （疑問）
what did you say 和 what did you said 的區(qū)別
what did you say 和 what did you said 的區(qū)別
不是過去是嗎?為什么大家用what did you say而不用what did you said
不是過去是嗎?為什么大家用what did you say而不用what did you said
英語人氣：334 ℃時間：2020-01-09 05:03:49
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