2020年2月10日 · If I say "have had", I connect the event to the present, so it is possible that I might have more homework, and I could say something like this on, e.g., a Wednesday (in the middle of the week). Another example will illustrate the importance of the connection to now: I had a lot of homework last year. *I have had a lot of homework last year ...

You might say, "Last year I had wanted to buy a new television, but now I don't have the money." Now let's use the verb to have instead of to want. Suppose that at sometime in the past I had something, but I don't have it at present. You might say, "Last year I had had the idea to buy a new television, but now I'm not sure I want to."

2014年2月12日 · I have had letters delivered to me in the last week. The first (marked with an asterisk) is incorrect because it defines a specific time, and the form does not work with a specific time. 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 ...

You have to use "had had" if something has been done long back, not recently. But if something has been done recently, then you can use "have had" or "has had" depending on the pronoun. For example, I have had a good lunch this afternoon. He has had his bike repaired last month. More on the usage, you can refer the below link.

2015年11月27日 · The had have construction in an if-clause is an example of what is commonly called the double perfect.This extract from grammar.about.com cites The Cambridge Grammar of the English Language's discussion of the usage, which it calls non-standard:

2011年12月1日 · I would have had to have been and I would have had to be are alternatives, but have had already sets up the time reference, so the infinitive to be, rather than the perfect infinitive to have been is enough. Usage seems to confirm this. The British National Corpus has 15 records of would have had to have been and 45 of would have had to be. The ...

"If I would have gone to Canada, I would have had to have had some kind of winter gear." It still seems a bit confused, probably needs a "then" before the 2nd "I would". The 1st "I would" is a bit redundant. If I had gone to Canada, I would have had to have had some winter gear.

I've had a headache since past.time.point is normal, idiomatic, and grammatical. * I'm having a headache since past.time.point , however, is ungrammatical, because the present progressive construction ( 'm having ) refers to the present moment,

"Chuck shouldn't have crossed me - he knew I was having a bad day." I had been having a bad day. Bad things had been happening; my mood was bad; things might (or might not!) have been just about to change for the better. "I had been having a bad day when suddenly I found a $100 bill blowing down the street." I had had a bad day.

2015年12月7日 · Or, if one is a job-hopper, one may say, "I have had many jobs since January." For second sentence: The second sentence simply implies that the person has had a job since 2006. That means "he was never without a job in that period". Again, there were many instances when he had jobs (one or the other), and hence, using have had is apt.