Yes, taught is the past tense.
The past tense of teach is taught.
Taught is the past tense of teach.
past tense of taught is taught. "He taught that class yesterday."
The tense "taught" is in past tense.
taught
The past tense of "teach" is "taught."
The past tense of "teach" is "taught."
The past tense of "teach" is "taught."
The past tense of "taught" is "taught."
The past tense of "teach" is "taught" and the past participle is also "taught."
Taught is the past tense of "to teach".
The past tense for the verb "teach" is "taught."