MODAL VERBS?
MODAL VERB IS: A modal is a type of auxiliary (helping) verb that is used to express: ability, possibility, permission or obligation. Modal phrases (or semi-modals) are used to express the same things as modals, but are a combination of auxiliary verbs and the preposition to. The modals and semi-modals in English are: 1. Should- shouldn't 2. Have to- haven't 3. Must - musn't 4. Can- can't Forms: Should + subject + base form of the verb must / have to / need to + base form of the verb Ex amples: She can speak six languages. I can't drive. Children must do their homework. We have to wear a uniform at work. You should stop smoking. more in: https://www.perfect-english-grammar.com/modal-verbs.html https://www.gingersoftware.com/content/grammar-rules/verbs/modal-verbs/ exercises: https://agendaweb.org/verbs/modals-exercises.html https://www.myenglishpages.com/site_php_files/grammar-exercise-modals.php https:/