What is the difference in politeness between 'can I' and 'may I'?

Modal verbs express actions based on necessity, obligation, possibility, ability, or intent. That is why they are usually combined with other verbs. Modal verbs also fall in the category of auxiliary verbs. But they indicate the modality in a clause. You use them to express certainty, ability, willingness, ... Categories. There are three categories for helping verbs: “Do/be/have”, one-word modals, and two-word modals. ... These help other verbs make questions, negatives ... Jun 17, 2024 ... Key Takeaways · Common modal verbs include “can,” “should,” “might,” “must,” and “will.” · Modal verbs help you express possibility, permission, ... Choose 'essere' or 'avere' as the auxiliary for the modal according to the verb that follows the modal, the main verb, the one in the infinitive form. (If you ... English speakers use the modal verbs “should,” “ought to” and “had better” to express that they think something is a good (or a bad) idea. Oct 20, 2021 ... These modals are usually used in the first person singular when you ask for permission or authorization to do something. The response is ... Jul 11, 2014 ... The modal verbs are can, could, will, would, may, might, must, ought to, shall and should. Two modal verbs cannot be put together. They only ... 3 days ago ... We often use modal verbs or other modal expressions when we want to express an opinion or attitude about a possible fact or to control a possible action. We use "will" to talk about: 1. Spontaneous decisions about the future (made at the moment of speaking) I'll have a coffee, please. 2. Offers I'll help you ...