| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] a [noun] | 9968 |
|
| 2 | [pron] [verb] a letter | 406 |
|
| 3 | i [verb] [art] letter | 243 |
|
| 4 | i [verb] [art] letter | 243 |
|
| 5 | i [verb] a letter | 181 |
|
