You can talk about the future in a number of ways and the future of can and must is one of them. For a full overview of the different future tenses, click here.
The future of can and must is different than the will-future and the going to-future because these modal verbs don’t have an infinitive form. If you want to express a future meaning of can and must, there are a couple of structures you can use. For a full overview of the different structures, click here.
Future of can and must exercise
This is an exercise about can and must in the future. Choose the appropriate structure for what is meant, depending on the context. Keep in mind that all of the following sentences are about the future. When you need to choose between a short form (won’t be allowed) or a long form (will not be allowed), you should always fill in the short form because that one is used more often in daily conversation.