| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | main [noun] [prep] the [noun] | 1953 |
|
| 2 | [adj] source [prep] the [noun] | 229 |
|
| 3 | main source [prep] [art] [noun] | 15 |
|
| 4 | main source [prep] [art] [noun] | 15 |
|
| 5 | main source [prep] the [noun] | 14 |
|
| 6 | main source [prep] the [noun] | 14 |
|
