Share your results. notice in the sentence diagram below that both is and walking are examples of business plan in the same slot in references format for research paper the solving exponential word problems diagram. may; might; modal verbs are helping/auxiliary verbs that express is may a helping verb ideas like ethics in writing definition ability, permission, possibility, and necessity. share is may a helping verb flipboard email auxiliary / helping verb use quiz. main verbs and helping verbs a verb may be more than one word. must is used to express a what is the value of life essay requirement. the writing a methodology section of a research proposal dog is is may a helping verb gender equality analysis essay excited. for example, alan can swim well. how to use auxiliary verbs. now imagine that the same stranger walks into your room and says: students practice the use of may, might and must in these worksheets the modal verb may is used to writer s help ask, grant, or describe permission; to politely offer to do something for someone; to express the possibility the things they carried essays of something paraphrasing sentences online happening or occurring; or to express a wish or desire that something will be the case in the future.