All modal verbs are auxiliary verbs, which means they can only be used with a main verb. Modal verbs cannot be a main verb. They are used to express ideas such as possibility, prediction, speculation, deduction and necessity.
This is a sheet that contains persuasive sentence starters. Cut the sentence starters our and give to children to use while writing their persuasive sentence, or paragraph, depending on the grade level. You could use these to show how persuasive writing differs from other types of writing, and the clues that we look for in writing to tell the type of text it is.