| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] in a [noun] | 1400 |
|
| 2 | [noun prp] in a [noun sg] | 1257 |
|
| 3 | [noun] in a letter | 106 |
|
| 4 | [noun prp] [prep] a letter | 37 |
|
| 5 | [noun prp] in [art] letter | 23 |
|
| 6 | [noun prp] in a letter | 22 |
|
