tree 109697711544fbc103c02ba9988a61c0a7140419
author Pablo Santiago Blum de Aguiar <scorphus@gmail.com> 1428164724 -0300
committer Pablo Santiago Blum de Aguiar <scorphus@gmail.com> 1428164724 -0300

scanner: use infinitive verb after auxiliary word could

Could, as well as should, shall, must, may, can, might, etc.
are auxiliary words. After an auxiliary word should come an
infinitive verb.