Fill in the Blanks Fill in the Blanks: Will, May and MightOnline version A fun game to test your knowledge of modal verbs and their usage in expressing possibility, probability, and future actions. by Jam Nieto 1 permission Will, may and might probability requests possibility certainty future actions modal verbs uncertainty are used to express , , or . Will is used to express or a strong belief about the future . May and might are used to express possibility or . Will is used when the speaker is confident about something happening , while may and might are used when the speaker is less certain . For example , 'I will go to the party tonight' expresses certainty , while 'I may go to the party tonight' expresses possibility . 'I might go to the party tonight' expresses even less certainty . These modal verbs can also be used to make or give . For example , 'Will you please pass the salt ? ' or 'May I use your phone ? '