| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a long [noun] [prep] | 3012 |
|
| 2 | a [adj] letter [prep] | 309 |
|
| 3 | a long letter [prep] | 22 |
|
| 4 | [art] long letter [prep] | 22 |
|
| 5 | a long letter [prep] | 22 |
|
| 6 | [art] long letter [prep] | 22 |
|
