Some people claim that you can use might have and may have interchangeably, but this is a bad idea.May have should not be used in the past tense.. You should ask him. Modal auxiliaries are helping verbs that connect with normal/ordinary verbs to express a meaning, ask a question or negate. Remind lower-level students that a base verb is one with no endings (no -ing, -ed, -s, etc.). The seeds from the plant may grow up to 20 centimetres in length. (Perhaps I will see you later.) May is used for situations that could be factual or could be possible. {See May… Therefore, the same rules apply. May and might + infinitive are used to express present or future possibility.May expresses a greater degree of certainty:. can . May/might/could simply mean that it's possible, ie > 0% likelihood. (There is a 50% chance that the flight gets delayed due to weather) Difference between Might and May. May and might function as modals such as can, will and should. According to the American Heritage Dictionary’s 2012 Usage Panel survey, the vast majority of experts disagree with using might have and may have in the same contexts. We use the modal verb can to say that something is possible, allowed or somebody/something has the ability to do something. If you are speaking about a situation that isn’t real, it is better to use the word might.. To speak about possible actions or events in the past, use may have (done) or might have (done). The modals May and Might often have a similar meaning when we talk about possibility; might is considerably more uncertain than may.However, we prefer may in academic or formal settings to express characteristics or behavior, as the following example illustrate.. Present and future. Today, let’s focus on modals of possibility. The modals may and might are used when expressing what might occur in the future. I may/might see you later. By the way, you can’t use may/might has + V3, because after a modal you must use an infinitive (the basic form of the verb). May and might . When a situation had the possibility to happen in the past, we use may and might. Both can be used to express actions in the future or the present. Can You Use Might/May Have Interchangeably?. Pattern Modal + Base Verb. The assignment of probabilities to modal verbs, or the inference that native speakers do this, is wrong. The verbs may/might belong to the group of modal auxiliary verbs. He may/might know Susan's telephone number. Future. (Perhaps he knows her number.) Will/must - 100% Won't/musn't/can't - 0% To say that "might" means a probability of 30% is absurd. Either modal verb can be used. May, Might & Could. In English, there are three main modals of possibility: may, might, and could. Present. English modal verbs. The modal always comes before the base verb. 1. May, Might and Must are modal verbs that cause confusion for some learners. Use the verbs Can, Could, May and Might like a native speaker. I might have some flour in the pantry. December 28, 2018 October 7, 2019 materialsenglish may vs might, may vs might in english, Modal Verbs MAY, Modal Verbs MAY and MIGHT, Modal Verbs MAY and MIGHT in English, Modal Verbs MAY in english, Modal Verbs MIGHT, Modal Verbs MIGHT in english The airline told us that the flight might be delayed due to weather. In essence, may implies that there is a better likelihood or possibility of something happening than might does (maybe 70% vs. 30%). Might is used for speculative situations that didn’t actually happen. Or if you’d like to remember this in a different way, has can never be the second verb in a sentence. Learn all about English modal verbs in my post. In some instances, there is no difference. May and might have the same structure. They may leave tomorrow. You should introduce yourself; he may/might not remember you. 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