Fill in the Blanks MODAL VERBS Online version This quiz is designed for high school students to put their knowledge about modal verbs into practice. Students will have 15 minutes to select the correct modal in the sentences presented. by ALEJANDRA ELIZABETH VALENCIA HERRERA 1 might must must may must may might might might may might must It rain today . ( probability ) The space explorers find water on Mars . ( hypothetical probability ) She do her homework this afternoon . ( obligation ) They join us for dinner this coming week . ( probability ) All the humans eat . ( obligation ) We have done something to help you yesteday . ( hypothetical probability ) It be sunny tomorrow . ( hypothetical probability ) It be hard to believe . ( probability ) it sound strange to tell you . ( hypothetical probability ) Sorry , I go to sleep early tonight . ( obligation ) My mom visit the doctor this week . ( obligation ) This be the most difficult decision my sister would ever make in her life . ( hypothetical probability )