LANGUAGE FOCUS Present perfect: affirmative and negative 3 Complete the sentences with the present perfect form of the verbs in brackets. 1 I 2 My brother What should 31 bike, but I 4 Daryn (sprain) my ankle, but I (not break) it. he do? (have) problems with this (not fall) off it! (never / write) a letter to (have) a car a celebrity. 5 Adrian and Alua accident, but they're OK. (burn) his fingers. 6 Oh no! My dog ourin! (bite) my ​