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2.1 2)b 3) a 4) a 5) b 6) b 2.2 1) started 2) had you studied 3) hadn't started 4) had learnt 5) knew 6) didn't get 2.3 2) Jessy had started at junior school before she went to .. 3) The students had finished their project before they went out. 4) The teachers had had a meeting at nine before lessons started at ten. 5) I arrived at school after the science lesson had started. 6) I had studied for hours in the evening before I took.. 7) Jenny ate her breakfast after she had met her friend and ..