Complex sentence: It has been suggested that since these two gender systems are incompatible, English responded by dropping genders altogether, but this is only conjecture, and fails to reflect the fact that the neuter gender (it), prevalent in Old English, survives in Modern English.
Split into simpler sentences: It has been suggested that since these two gender systems are incompatible, English responded by dropping genders altogether, but this is only conjecture. It fails to reflect the fact that the neuter gender (it), prevalent in Old English, survives in Modern English.