| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] a [noun] | 20056 |
|
| 2 | [verb] [verb] a letter | 252 |
|
| 3 | [verb] [vb pp] [art] letter | 244 |
|
| 4 | [verb] [vb pp] [art] letter | 244 |
|
| 5 | [verb] [vb pp] a letter | 184 |
|
