| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a useful [noun] [prep] [noun] | 261 |
|
| 2 | provides a [noun] [prep] [noun] | 206 |
|
| 3 | provides a useful [noun] [prep] | 54 |
|
| 4 | provides a useful [noun] [noun] | 5 |
|
