PAST PERFECT vs PAST PERFECT CONTINOUS.

(PP) Sarah ______________(think) your idea was great.

(PPC) They ____________________(teach) us how to speak English better.

(PP) Steve _____________________(write) a poem.

(PP) John ___________(go) to London two weeks before.

(PP) The police _____________________(arrest) the thief the day before.

(PPC) Adam and Natalie ____ (know) each other for years

(PPC) I needed a change. I ____ (live) in New York for a long time.

(PPC) Sally ____ (work) as a waitress for 5 years when she went back to university.

(PP) She _____ already _____ (see) that film in the cinema when they watched it on DVD.

(PPC) I was so frustrated. I ____ (write) my story for 2 week.