Sentences with modal verbs

1- I can play the guitar.
2- I can drive a car.
3- He must study english.
4- She must pass the test.
5- We should pay attention in class.
6- They should come early to the class.
7- I could ride a bike when i was young.
8- My brother could sing in a karaoke.
9- We might pass the level.
10- She might come later today.
11- You will fail if you don't study.

Azarias R.