1. Modal verbs are auxiliary verbs that can not function as a main verb , unlike auxiliary verbs "be" , "do" and "have" that they can function as a main verb.
2. They are auxiliaries of the future and the conditional.
3. Example: “may” I would bring an umbrella, it may rain later. You may use your cell phones now. Example: "might" I would bring an umbrella, it might rain later. It might be better to finish this now, rather than wait until tomorrow
4. Modal verbs expressed mode. They can express ability , possibility, necessity or other status
6. Examples: "cam" Can I have a glass of water? Can they work late tonight? Examples: " could " You could pass the test if you studied. I think it could rain later.
