SimilarityRank
when_it_start 0.599 71441
when_I_first 0.568 50596
when_it 0.564 3085
when_it_be 0.544 2535
since_it 0.536 4828
when_we_first 0.528 94982
over_a_decade_ago 0.522 94008
I_remember_when 0.516 93654
nearly_[number]_year_ago 0.503 48159
almost_[number]_year_ago 0.501 51448
back_then 0.498 8288
ever_since 0.495 4596
way_back_in_[number] 0.493 51628
the_first_time_I 0.492 50108
two_year_ago 0.489 9948
since_its 0.489 23865
more_than_a_year_ago 0.487 99512
in_the_early_1980 0.486 25476
be_[number]_year_since 0.484 68859
even_before 0.483 9208
in_the_late_1980 0.483 29771
several_month_ago 0.481 53413
over_[number]_year_ago 0.480 22327
when_you_first 0.480 95933
three_year_ago 0.479 17729