| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] source of [noun] for | 222 |
|
| 2 | [adj] source of [noun] for | 204 |
|
| 3 | valuable source of [noun] [prep] | 13 |
|
| 4 | valuable [noun] of [noun] for | 9 |
|
| 5 | valuable [noun sg] of [noun] for | 9 |
|
| 6 | valuable source [prep] [noun] for | 8 |
|
| 7 | valuable source of [noun] for | 8 |
|
| 8 | valuable source of [noun] for | 8 |
|
