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 from the will-future and the going to-future because can and must 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.
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.
You can find the exercise below:
Future of Can and Must Exercise 3
Complete these sentences by filling in the correct form of can or must in the future.
1.
They are too young so they (cannot) buy alcohol.2.
Once the door is fixed, he (can) close it again.3.
I forbid her to spend any more money so she (cannot) buy a new purse.4.
My father gained quite a few pounds and if he keeps eating like this, he (cannot) fit his pants anymore.5.
When starting your new job next week, you (must) be on time.6.
During a test, everyone has to be quiet so we (cannot) talk during the reading test tomorrow.7.
After the pandemic, people (can) invite people over for dinner again.8.
Once it stops raining, we (can) leave the house without an umbrella.9.
There are no trains after 1 am so my friend (cannot) get home.10.
If he is arrested, he (must) pay a big fine for being drunk.
