| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [art] letter to [noun] | 94 |
|
| 2 | write [art] letter to [noun] | 40 |
|
| 3 | writing [art] letter [prep] [noun] | 12 |
|
| 4 | writing [art] letter [prep] [noun] | 12 |
|
| 5 | [v-ing] [art] letter to [noun] | 12 |
|
| 6 | writing [art] [noun] to [noun] | 9 |
|
| 7 | writing [art] letter to [noun] | 6 |
|
