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28 de oct. de 2019 · 8. As FumbleFingers and 1006a mention in the comments, there's nothing grammatically wrong with using the present perfect with "when". However, it imbues the question with nuance, since it often implies that there has never been such an occurrence (though you would expect there should have been.) When have you written to your brother?
8 de jul. de 2013 · Therefore, present perfect no longer makes sense. The action can't be concluded, it's part of a rule. So, if the word "always" appears elsewhere in a sentence, you almost always want to use the regular present tense instead. Without it, present perfect is fine (instead of being a rule, it's now commenting on the pattern up until now).
13 de abr. de 2014 · To begin with—and this is a constant problem for learners—the categories don’t explain when or why a speaker would employ an existential present perfect rather than a simple past. Both appear to express the ‘existence’ of a prior event: John has written five papers about the present perfect. John wrote five papers about the present ...
11 de dic. de 2015 · 6. You can use the present perfect with current periods of time such as today and this week, providing there may be more opportunities to do the same action. Examples: (Game is in progress): I've caught five passes today (so far or up to now). (You may have more chances to catch a pass.)
11 de abr. de 2015 · 1. Generally speaking, you can use the adverb "recently" in both the past simple and the present perfect, without any difference in meaning. The use of this adverb in the past is more common in AE while in the present perfect is more common in BE. However, if you look at these minutely, there is sure some difference.
Present perfect conveys a sense of the end of the action, whereas present simple conveys a sense of the beginning or middle. For example, As soon as I have eaten, I will help you with that. As soon as I eat, my stomach starts grumbling. The first sentence refers to once the eating is done, but the second sentence refers to when the eating starts.
31 de oct. de 2016 · The Present Perfect and the Present Perfect Continuous tense are often interchangeable when we want to express an action that continues to the present. Present Perfect Continuous for Uncompleted Actions or Events. We use this tense to express the idea of an action in progress and when we want to mention the length of its duration.
2. Present Perfect and Past Simple are two concurent tenses. They often are interchangeable, especially in American English. So you can say either: I haven't received your email. or. I didn't receive your email. Note that "I didn't received your email" is not correct because you cannot use -ed form of the main verb since you already have the ...
21 de oct. de 2021 · Here the present perfect is used because it describes something that happened in the past continuing up until today. in 1957 alone around 6,000 people died. Here the simple past is used because 1957 is a long time ago. In the first example, a time clause, something that has a subject and a verb, is used in place of a date to emphasize an event ...
24 de dic. de 2021 · I learnt at school that you say "I've lived in N.Y. for five years" and that you never say "I've lived in N.Y. since five years ago." However, I found this sentence in a childre...
