Modal verbs: mixed exercise

Dear students, in this exercise of modal verbs, you are asked to choose between all of the modal verbs we have been studying so far and of course, also their negative counterparts. To be precise, you can choose between: can, could, may, might, must, need, to have to, cannot, could not, may not, might not, must not and need not. You can fill out this exercise at your own pace, there is no time limit set. Have fun !