problème 1sélectionnéBy this time next year, she ____ her first novel.will writewill have writtenwriteshas written
problème 4sélectionnéBy next month, he ____ in this company for 10 years.will workwill be workingwill have workedworks
problème 5sélectionnéBy 2026, scientists ____ a cure for that disease.will findwill have foundare findingfinds
problème 6sélectionnéBy the time you wake up, I ____ to the airport.will have gonewill have wentam goingwill have going
problème 7sélectionnéBy the end of this week, she ____ all her exams.will have completedcompletesis completingcomplete
problème 8sélectionnéBy next summer, we ____ our dream house.will have builtsbuildswill have builthave built
problème 9sélectionnéBy the time they arrive, we ____ for three hours.waitwill have waithave waitedwill have waited
problème 10sélectionnéBy 10 p.m., he ____ his homework.will have donewill have dowill have didwill have don
problème 11sélectionnéBy the end of this year, she ____ five books.will have publisheswill have publishingwill have publishedwill have publish
problème 12sélectionnéBy tomorrow morning, they ____ their project.will have completedwill had completwill have completingwill have completes
problème 13sélectionnéBy next weekend, we ____ all the preparations for the wedding.will have finishingwill have finisheswill have finishedwill have finish
problème 14sélectionnéBy 2050, technology ____ even more advanced.will have becomewill have becamewill had becamewill have becom
problème 15sélectionnéBy the time she turns 30, she ____ in five different countries.liveis livingliveswill have lived
problème 16sélectionnéBy next Monday, the manager ____ a decision.will have madewill have makewill have madedwill have maked
problème 17sélectionnéBy the time you read this letter, I ____ to another city.will have movingwill have movedwill have movewill have moves
problème 18sélectionnéBy the time we get to the station, the train ____ .will have leavewill have leaveswill have leftwill have lefted
problème 20sélectionnéBy the end of this decade, humans ____ on Mars.will have landedwill have landingwill have landeswill have land