| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the letter to [noun prp] | 53 |
|
| 2 | the letter to [noun prp] | 48 |
|
| 3 | the letter to mr. | 10 |
|
| 4 | the letter to katkov | 5 |
|
| 5 | the letters to [noun prp] | 5 |
|
