"have" 可以作为实义动词或助动词使用，具体时态如下：
一般现在时
用法：主语 + have/has + 动词原形。
例句：
She has a new car.
They have three children.
现在完成时
用法：主语 + have/has + 过去分词。
例句：
I have finished my homework.
They have been studying for hours.
过去完成时
用法：主语 + had + 过去分词。
例句：
By the time I arrived, they had already eaten dinner.
She had learned English before she moved to the U.S.
将来完成时
用法：主语 + will have + 过去分词。
例句：
By next year, they will have completed the project.
She will have graduated from college by 2025.
过去将来完成时
用法：主语 + would have + 过去分词。
例句：
They would have arrived by now if they hadn't missed the train.
I would have called you yesterday, but I forgot.
现在完成进行时
用法：主语 + have/has been + 现在分词。
例句：
They have been waiting for over an hour.
I have been studying English for five years.
过去完成进行时
用法：主语 + had been + 现在分词。
例句：
She had been working at the company for five years before she got the promotion.
They had been traveling all day before they found a place to stay.
建议根据具体的语境选择合适的时态，以确保准确表达意图和描述动作或状态。