So don't worry so much about how to use had had as a unit of grammar, they will come together naturally when you want to express the verb ' to have ' in the past perfect. 你好。感谢诚邀。 记住，两个 had 在一起时，就是 have 为 实义动词 的词组（如have a walk ，have a talk ，have a look （at …） ，have a swim ，have a break ，have a discussion，have breakfast / lunch / supper 等） 作谓语 时的 “ 过去 ” 完成时， 即： 第一个 had 是 过去完成时 的 助动词——过去完成时的标志； 第二个. 如何正确理解 had done、have done、have been doing 这 3 种时态？ 语法书上的那些解释，看来看去都不是很能理解，也谢绝照搬语法书的解释。 看一次，过一段时间又忘了，总不是能很好的区分，也不知道怎么很好的实用这三种时态。 … 显示全部 关注者 1,412 For example, what is the difference between the following two sentences I had a bad day i had had a bad day It is used to describe experiences one has had in the past (and that hence influence the experience with which you speak today), changes over time, uncompleted actions, and things that have happened more than once
By the way, abuse as a countable noun in terms of insult is unusual. Xiaomi HAD端到端全场景智驾正式发布，有哪些亮点？ 36氪获悉，小米董事长兼CEO雷军发布微博表示，Xiaomi HAD端到端全场景智驾正式发布，已开启全量推送。 I have come across a few sentences that contain have had I would like to know in what kind of situations we should use this combination. How james while john had had had had had had had had had had had a better effect on the teacher is correct sentence had是have的过去式（一般过去时） have had 是have的 现在完成时 区别： 1、I had a girlfriend. 我有过一个女朋友，是指过去交过女朋友这件事，但现在没有，即使有，也不是之前那个。 2、I have had a girlfriend. 我有一个女朋友，指过去有女朋友这个状态，现在已经没有了。 （一个动作是时间点，一个动作是.
My mind is broke trying to figure it out.
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