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 …
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 …
present perfect - When is it necessary to use "have had"? - English ...
2020年2月10日 · 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 …
如何正确理解 had done、have done、have been doing 这 3 种时 …
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 …
Verbs: Using "had" + Verb, vs. not. What's the difference?
2019年5月15日 · How does using "had" change the sentence meaning or grammar below - is it needed? Jamie returned to the table to grab the plane Bill had folded for him while they were …
grammar - Use of "have had" , "had had", "has had" - English …
'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 …
tenses - "has changed" or "had changed" or "was changed"?
2019年3月13日 · Let's see if this entry had changed... This is the past perfect tense, and refers to the status of the entry being different when measured at some prior unspecified point. i.e. Last …
Was vs had been - English Language & Usage Stack Exchange
2014年4月19日 · The well had been producing clean water. The well was producing clean water. The first sentence implies that the well still is producing water, but it's no longer clean for some …
grammaticality - ''didn't have'' versus ''haven't had'' - English ...
In the last two weeks I haven't had much time, so I haven't got that quotation for you. In the last two weeks I haven't had much time, but I expect to be able to address your question soon. In …
questions - Usage of 'has' or 'had' in sentence - English Language ...
2015年8月13日 · The simple past denotes a finished activity in the past, and the present perfect denotes that the speaker's past is relevant to the present and future decisions. The use of …