| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] for the first | 311 |
|
| 2 | be [vb pp] for the first | 258 |
|
| 3 | be introduced for the [adj] | 15 |
|
| 4 | be introduced [prep] the first | 14 |
|
| 5 | be introduced [prep] the first | 14 |
|
| 6 | [be] introduced for the first | 7 |
|
| 7 | be introduce for the first | 7 |
|
| 8 | be introduced for the first | 7 |
|
| 9 | be introduced for the first | 7 |
|
| 10 | be introduced for [art] first | 7 |
|
| 11 | be introduced for the [num ord] | 7 |
|
