English Pool of Exercises

Exercise on Present Perfect Simple

Form negative sentences in Present Perfect Simple.

1. you / a question / ask
   →
2. the dog / bark
   →
3. you / thirsty / be
   →
4. Betty / her best / do
   →
5. she / her teeth / brush
   →
6. they / their clothes / change
   →
7. my friends / me / help
   →
8. The children / about the joke / laugh
   →
9. he / a mistake / make
   →
10. he / cash / pay
    →