| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the letters he | 7 |
|
| 2 | [prep] the letters he | 7 |
|
| 3 | the letters he [verb] | 13 |
|
| 4 | the letters he [vb past] | 10 |
|
| 5 | the letters he write | 7 |
|
| 6 | the letters he wrote | 6 |
|
