Tactics used in letters to author

1. The they say is present
2. quotations are referenced and the writer either confirms it to be true, or they disprove it.
3. The writer agrees with the author, and adds to what he/she said
4. The writer disagrees with the author and states why he/she does so.
5. The writer agrees yet to a certain degree does not completely support everthing, and the writer explains what that is.
6. Summary is used, then they respond to it with I say.
7. The writer uses accurate support for their statement.
8. The writer concludes with a strong point and with specific details.