There are also some slight differences in usage between American English and British English. You might want to search this forum for info about this there are a lot of threads , or read something in a good ESL grammar. And as you can see, I'm not a native speaker of English, so you'd better wait for some better advice. It's impossible to learn the difference between these in just one example -- or even in several hundred. The short answer is that you use have when you are not interested in any specific time at which the event occurred, just that it occurred, and you use did when you want to characterize the event as having happened at some specific point in time.
In cases where you mention a time specifically, or even indirectly in a when clause, for example , you have no choice; use the did form. In cases where you don't mention a specific time, you have a choice. Sometimes it just depends on how you are thinking of the event in your own mind.
Students: We have free audio pronunciation exercises. What are the differences between could, would, should, can, will, may?? You need to study your modals. Your question it too large for a single response. Why don't you find a few examples of when you aren't sure which one you should use and post them? Click on the Modals button underneath your original posting and read those threads. Marius Hancu. Students: Are you brave enough to let our tutors analyse your pronunciation? Hi, I also want to know when should use did or have?
I always confused when to use did or have? Firstly, it is about present, one step ahead of the Simple Past. However, it is not Simple Present rather it is Present Perfect construction to enquire something. Have you completed your task? Here, something is asked about the present in a state of accomplishment. Did is used for the near past, a time which is just over. And whenever it comes at the start of the sentence, it will be an interrogative sentence.
Have you taken your meal? In other words, it is used in interrogative sentences. It is all the more important to know that have you is used only in the second person. Sometimes it is used in the case of the first person too as in the sentences,. In both of the expressions, have you is replaced by the form have I in the first person. This is an important observation to make in the usage of the form have you. On the other hand, the form did you also changes to did I when used in the first person.
It is interesting to note that have you is sometimes used independently as a single expression following the main sentence as in the sentences,. I hope you have gone to London.
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