Unit 5 - Grammar Exercises Exercise 3 Use present perfect tense after “because”. #1. Hamida can’t walk very fast. (hurt / leg) enter answer here #2. I can’t get in the house. (lose / key) enter answer here #3. I know this story very well. (see the film) enter answer here #4. I can’t post the letter. (not put / stamp / on it) enter answer here #5. Atabek can’t stand up. (eat too much) enter answer here #6. They can’t go on holiday to Paris. (not save / money) enter answer here #7. I know Mrs Farida well. (meet him before) enter answer here #8. We don’t know how Mr Axmed is. (not hear from him) enter answer here #9. Anvar won’t take a cigarette. (give up smoking) enter answer here #10. Salamat can’t get in. (he / lock the door) enter answer here Next Results