asegurar

Más aún, los procedimientos de seguridad hubieran asegurado que no ocurrieran emisiones radiactivas.	Furthermore, safety procedures would have prevented radioactive emissions from being produced.
Así que eso habría sido lo primero que hubieran considerado al escapar, se hubieran asegurado de que habían cobrado sus pagas.	So that would have been the first thing to be considered as a runaway, that they would have made sure their paychecks were cashed.
Al siguiente día, los habitantes de Saville Row se hubieran sorprendido mucho si les hubieran asegurado que mister Fogg había vuelto a su domicilio.	The dwellers in Saville Row would have been surprised the next day, if they had been told that Phileas Fogg had returned home.
No creo que inventaran una máquina del tiempo, porque si lo hicieran en un futuro, hubieran inmediatamente vuelto y se hubieran asegurado de que Esther Rantzen nunca hubiera nacido.	I don't think they ever will invent a time machine, because if they had done so in the future, they would've got in it straightaway and come back and made sure that Esther Rantzen had never been born.