Complex sentence: However, in modern English, the letter'd' does not always denote/d /: in the past participle of verbs ending in a voiceless consonant (e.g., "washed"), 'd' is devoiced to/t /.
Split into simpler sentences: However, in modern English, the letter "d" does not always denote/d /. In the past participle of verbs ending in a voiceless consonant (e.g. "washed"), "d" is pronounced/t /.