Complementació verbal:
claim

TO INFINITIVE: 1) The detectives claim to have solved the case.
Els detectius asseveren haver solucionat el cas.; 2) He claims to know how to commit the perfect crime.
Pretén saber com cometre el crim perfecte.
THAT + SUBORDINADA: 1) He claimed (that) he was a king.
Va asseverar que era un rei.; 2) The coal company claims (that) they aren't responsible for the pollution.
L'empresa de carbó sosté que no són responsables de la contaminació.