Completar frases Practice 2Versión en línea Complete the sentences por Andrés Hernández 1 is has hasn't Aren't Isn't Is aren't Hasn't have has Derek been drinking café . Hasn't he ? The girls are playing in the park . they ? Samantha and her friends been talking . Haven't they ? The children working . Are they ? Charlotte is practicing the revelation song . she ? Andrew playing his piano . Isn´t he ? Mary been sleeping this morning . Has she ? Christopher been swimming in the pool . Hasn't he ? My grandfather has been planting trees this morning . he ? Karen isn't reading her Spanish's grade . she ?