This is a Gospel song, formally known as a Negro Spiritual.
can't tell you what we think of the lyrics as you've not told us
The past participle of "tell" is "told."
The past participle of "tell" is "told."
The present tense of "told" is "tell."
The past participle of "tell" is "told".
It's "What did I tell you?" However, it could also be, "Isn't this [exactly] what I told you?"
Yes, 'tell' is a verb. The past tense is told.
The verb form of "tell" is "told." For example, "He told me about his day."
The past tense of "tell" is "told." For example, "I told him the story yesterday."
The past form of "tell" is "told," and the past participle is also "told."
The future perfect tense of tell is will have told.
NO! It would be, Why did you tell them? or if its more of a diologue "You told them? Why?" But why did you told them is incorrect.