The Use of Modals : Can, Could, Will, Would, May, Might, Must, Shall, Should
Can , could , will , would , may , must , might , shall and should are helping verbs called modals . Each of them has their own functions. As you read the functions, take note of the examples and notice : ● when they are combined with an action verb, the meaning of the verb changes. Example : can talk - ability to talk; will talk - intention to talk ; must talk - the necessity to talk ● they cannot act alone – they always need a main verb ● in using them, the simple form of the verb is always used (without s , ed , or ing ) 1. Can is used to a. express ability. The past form of can for ability is could . He can speak Spanish but he can't write it well. She can drive a car. b. make requests and orders. Can you help me make a cup of coffee? Can you come here a minute? Can you sew me a dress? c. ask or give permission. Can I smoke in this room? You can't smoke here, but you can outside. d. express theoretical poss