| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [noun sg] [noun sg] of [noun] | 209 |
|
| 2 | introduction of [noun sg] [noun sg] [prep] [noun] | 19 |
|
| 3 | introduction of [noun sg] [noun sg] [prep] [noun] | 19 |
|
| 4 | introduction of [noun sg] [noun] of [noun] | 8 |
|
| 5 | introduction [prep] [noun sg] [noun sg] of [noun] | 8 |
|
| 6 | introduction of [noun] [noun sg] of [noun] | 7 |
|
| 7 | introduction of [noun sg] [noun sg] of [noun] | 7 |
|
