| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] in the first | 1485 |
|
| 2 | [vb pp] in the first | 787 |
|
| 3 | introduced in the [adj] | 122 |
|
| 4 | introduced in the [num ord] | 34 |
|
| 5 | introduced [prep] the first | 24 |
|
| 6 | introduce in the first | 8 |
|
| 7 | introduced in the first | 7 |
|
| 8 | introduced in [art] first | 7 |
|
