| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for [art] first [noun] | 1212 |
|
| 2 | [vb pp] for [art] first [noun] | 478 |
|
| 3 | introduced [prep] [art] first [noun] | 20 |
|
| 4 | introduced [prep] [art] first [noun] | 20 |
|
| 5 | introduced for [art] [adj] [noun] | 17 |
|
| 6 | introduce for [art] first [noun] | 12 |
|
| 7 | introduced for [art] first [noun] | 10 |
|
