This is a great grammar strategy to help students with their helping verbs. Since students often have a hard time finding helping verbs (or any verbs that don't seem very verb-y) in sentences, memorizing them by using this simple song solves many grammar pitfalls.
Students sing the 23 helping verbs to the tune of "Mary Had a little Lamb". You will find a student handout with the verb list in the word order that I use in the song in the supporting documents for this video.
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