havehasbeento否定句和疑问句要不要三单变化?
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发布时间：2023-07-15 20:15
共1个回答
热心网友
时间：2024-10-21 11:29
在否定句和疑问句中，"have", "has" 和 "been" 通常需要进行第三人称单数的变化。
否定句示例：
He hasn't been to the party.
She hasn't been to the beach.
疑问句示例：
Has he been to the party?
Has she been to the beach?
请注意，当疑问词（如who, what, where, when, why）引导疑问句时，动词本身不需要进行第三人称单数的变化。例如：
Who has been to the party?
What has he been doing?
