- When do we use “had had” and “have had”? [duplicate]
{ had {had unsatisfactory sex} by the time of his birthday on 20th Dec } Using your original sentences as example Temporal displacement to present: I had my car for four years before I ever learned to drive it today Temporal displacement to last year: I had had my car for four years before I had ever learned to drive it last year
- What does had had mean? How does this differ from had?
By the time we arrived, the party had begun = The party began Then we arrived By the time we arrived, they had eaten all the food! = They ate all the food; then we arrived I had had a bad day already, and I arrived home to find that it had been robbed! = I was having a bad day During the day my home was robbed
- present perfect - When is it necessary to use have had? - English . . .
We could say we had our copy replaced five years ago, and today it looks worn out We could say we just have had our copy replaced, and the book is as good as new To use grammar labels, "I have had the book replaced" is the Causative in the Perfect Aspect, in the Present; "I had the book replaced" is the Causative in the Simple Aspect, in the
- 如何正确理解 had done、have done、have been doing 这 3 种时态？ - 知乎
过去完成进行时：By the time my girlfriend showed up, I had been working non-stop on this stupid paper for 24 hours! 到女友进门那一刻，我 !@#$%^ * 已经跟这该死的 paper 连续搏斗了整整24小时了！ 现在完成进行时： Yes, I am flying high today, but I have been working like a dog for 25 years! 你只看我
- grammar - Use of have had , had had, has had - English Language . . .
'He has had his breakfast' - present perfect tense with a third person singular subject as in 'He has eaten his breakfast 'I had had my breakfast ' - past perfect tense as in 'I had eaten my breakfast ' Here, the fist part of the verb phrases have has and had are auxiliary and the second part had is the past participle form of the main verb have
- grammar - When to use I was . . . and when I had been . . .
To me, "had been" implies a change of state: The phone rang I was asleep (No implication of state change Further sentences would clarify if the speaker woke up, or never heard it ) The phone rang I had been asleep (But I after it rang, I wasn't asleep any more )
- had与have had有什么区别？ - 知乎
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。
- grammar - I was using, I have used, I have been using, I had . . .
I had used cocaine With my reference point at a time in the past, by that point, cocaine was already taken by me Better example: By the time I met my girlfriend, I had used cocaine So when meeting the girlfriend, you took cocaine by then already BONUS: You missed one: I had been using cocaine
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