Relacionar Columnas Sentence halves - TensesVersión en línea Lifestyle Upper Intermediate por Cintia Lazarte 1 I've been working all morning, 2 This time next week, I'll be 3 By the end of this year, 4 We'll have finished everything 5 I was exhausted on Tuesday heading for Singapore. well before the deadline. but I still have a lot to do. because I'd been entertaining guests till 2 a.m. we'll have been going out for three years.