SimilarityRank
be_not_require 0.792 7508
do_not_require 0.702 12367
be_not_necessary 0.681 21766
not_necessary 0.663 84501
require 0.648 225
which_do_not_require 0.645 99536
be_require 0.643 744
but_not_require 0.635 39027
that_do_not_require 0.622 38604
be_still_require 0.621 83333
required 0.619 5608
it_do_not_require 0.619 77282
do_not_require_a 0.607 63452
generally_require 0.603 93022
also_require 0.602 16804
require_no 0.590 32985
be_mandatory 0.586 18140
without_require 0.585 36305
still_require 0.580 54340
do_not_require_any 0.577 92825
may_be_require 0.571 13902
usually_require 0.567 60288
typically_require 0.550 70500
require_additional 0.548 95781
be_preferred 0.540 12674