Present perfect. Unscramble the following sentences. 26 Aug, 2020 By Olivo 0 Comments 2 Grammar Exercises, Present Perfect Exercises 1. has/twice/the/stood up/student. 2. bell/rung/I/twice/the/have. 3. made/I/mistakes/have. 4. this/early/arrived/he/every/week/day/has. 5. on/occasions/disagreed/have/several/we. 6. understood/not/instructions/has/the/he. Loading … Please follow and like us: TAGS : affirmativeEnglish exercises onlineEnglish grammarexercises onlinepractice Englishpresent perfect Share