| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a useful [noun] [prep] | 909 |
|
| 2 | provides a [noun] [prep] | 781 |
|
| 3 | provides a useful [noun] | 71 |
|
| 4 | provides useful [noun] [prep] | 8 |
|
