| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | source [prep] [noun] for [n mass] | 6 |
|
| 2 | source [prep] [noun] for [n mass] | 6 |
|
| 3 | source of [noun] for [n mass] | 6 |
|
| 4 | source of [noun] for [n mass] | 6 |
|
| 5 | source [prep] [noun] for [n mass] | 5 |
|
| 6 | source [prep] [noun sg] for [n mass] | 5 |
|
