Past perfect continuous interrogative-negative 4 - tutto inglese - Imparare l'inglese gratis on line

the journalist (investigate) the case before the breakthrough?
they (save) money before they bought the house?
he (train) for the marathon before he got injured?
we (plan) the event before the venue changed?
the scientists (research) the phenomenon before the funding was approved?
she (teach) there before the curriculum changed?
they (get) along before the disagreement?
I (try) to improve my skills before the workshop?
he (take) care of his health before the doctor's visit?
we (discuss) those plans before the strategy shifted?