| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [prep] [noun] a | 422 |
|
| 2 | a [noun sg] [prep] [noun] a | 417 |
|
| 3 | a cost [prep] [noun] [art] | 16 |
|
| 4 | [art] cost [prep] [noun] a | 15 |
|
| 5 | a cost [prep] [noun] a | 13 |
|
