what is the difference between i did and i have done?
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"I did something" is simple past tense. It means you performed the action at some time in the past and it is now complete. "I have done something" is present perfect. It indicates that an action that began in the past and continues into the present, or whose effects continue into the present.
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Both adjectives are interchangeable, without any difference in meaning. We use them when we have finished doing or using something. A few examples are given below: 1- I am done or I am through. It means I have finished doing or using something.
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Basic Difference between DO and MAKE Use DO for actions, obligations, and repetitive tasks. Use MAKE for creating or producing something, and for actions you choose to do. DO generally refers to the action itself, and MAKE usually refers to the result.
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The difference is that “How are you?” is in the present tense. I want to know how you are doing RIGHT NOW. “How have you been?” is the present perfect tense. It means that I want to know what you've been doing since I saw you the last time.
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“Have been doing” means that the action started in the past and is continuing into the present. Example: “I have been walking since noon.” (you started walking at noon and are still walking.) “Have done” means something started and finished in the past.
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The words do, does and did often cause confusion in the English language. They are all forms of the verb to do. The verb to do can be used as an action verb and also as an auxiliary verb.
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DID is used with regular AND irregular verbs in English. Both Do and Does in present tense questions become Did in past tense questions. ... The main verb (live in the example above) is in its base form (of the infinitive). The auxiliary DID shows that the question is in the past tense.
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['Do does did. Three helping verbs in emphatic form.', 'Ing. Special ending for main verbs in progressive form.', 'Will shall. Future tense helping verbs.', 'Was were had did been. Past tense helping verbs.', 'Am is are has have do does. Present tense helping verbs.']
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“Does” is used for singular subjects like “he,” “she,” “it,” “this,” “that,” or “John.” “Do” is used to form imperative sentences, or commands. Example: Do your homework.
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Remember that the past tense and present perfect tense can both be used to talk about things that happened in the past. The only difference is that we can use a specific time with the past tense, but we cannot use a specific time with the present perfect tense. I did it yesterday. I have done it.
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I've added is present perfect, while I added is past tense. The present perfect is a grammatical combination of the present tense and the perfect aspect, used to express a past event that has present consequences. An example is "I have eaten" (so I'm not hungry).
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Use DO for actions, obligations, and repetitive tasks. Use MAKE for creating or producing something, and for actions you choose to do. DO generally refers to the action itself, and MAKE usually refers to the result. For example, if you “make breakfast,” the result is an omelet!
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Simply, one is present tense and one is past. EDIT: More specifically, "have just" and "had just" aren't simple past tenses. They're both compound, and they often imply connection between an event and a point of reference. When you say "have just" it implies that the event in reference affects the present state.
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We use do, does (present simple) or did (past simple) to give extra force to the main verb. We use the infinitive of the main verb without to, and stress do/does/did when speaking.
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“I've” is just “I” plus the verb “have.” When words are shortened and brought together, it is called a contraction. “Have” changes its form for the past tense (had) and for singular subjects (except “I”).
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When you say that you did something, you're talking about something that happened in the past. Do is the present tense form of the verb to do. It's used to talk about present tense situations. ... All subsequent verbs in the sentence keep their "present tense" form.
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The main difference is that you use "did you know" when you already know the information that follows and you use "do you know" when you do not know the information that follows, but you want to know.