| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a letter [pron] had | 14 |
|
| 2 | a letter [pers pn] had | 10 |
|
| 3 | a letter he had | 6 |
|
| 4 | a letter he had | 6 |
|
| 5 | a letter [conj] had | 5 |
|
| 6 | a letter had been | 6 |
|
| 7 | a letter had [be] | 6 |
|
| 8 | a letter had [been] | 6 |
|
| 9 | a letter had be | 6 |
|
