Complete the 12 sentences below. Choose the best answer for each one.
1Ana knows how to swim, so she ............... swim.
Wrong!
Use "can" because Ana knows how to swim.
2Ben does not know how to ride a bike, so he ............... ride a bike.
Wrong!
Use "can't" because Ben does not know how to ride a bike.
3I know how to play the guitar, so I ............... play the guitar.
Wrong!
Use "can" because I know how to play the guitar.
4My baby brother is too young to talk, so he ............... talk.
Wrong!
Use "can't" because my baby brother is too young to talk.
5Sara knows how to cook rice, so she ............... cook rice.
Wrong!
Use "can" because Sara knows how to cook rice.
6We do not know how to ski, so we ............... ski.
Wrong!
Use "can't" because we do not know how to ski.
7The dog is able to catch a ball, so it ............... catch a ball.
Wrong!
Use "can" because the dog is able to catch a ball.
8The cat is not able to open the door, so it ............... open the door.
Wrong!
Use "can't" because the cat is not able to open the door.
9You know how to use a computer, so you ............... use a computer.
Wrong!
Use "can" because you know how to use a computer.
10They do not know how to read English, so they ............... read English.
Wrong!
Use "can't" because they do not know how to read English.
11My sister is able to draw a horse, so she ............... draw a horse.
Wrong!
Use "can" because my sister is able to draw a horse.
12Jack is too short to reach the shelf, so he ............... reach the shelf.
Wrong!
Use "can't" because Jack is too short to reach the shelf.
Done.
Score: 0/12
Answers
- Ana knows how to swim, so she can swim.
- Ben does not know how to ride a bike, so he can’t ride a bike.
- I know how to play the guitar, so I can play the guitar.
- My baby brother is too young to talk, so he can’t talk.
- Sara knows how to cook rice, so she can cook rice.
- We do not know how to ski, so we can’t ski.
- The dog is able to catch a ball, so it can catch a ball.
- The cat is not able to open the door, so it can’t open the door.
- You know how to use a computer, so you can use a computer.
- They do not know how to read English, so they can’t read English.
- My sister is able to draw a horse, so she can draw a horse.
- Jack is too short to reach the shelf, so he can’t reach the shelf.

