| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] [adj] time | 1012 |
|
| 2 | [vb pp] at [art] [adj] time | 467 |
|
| 3 | introduced at [art] [adj] [noun] | 23 |
|
| 4 | introduced [prep] [art] [adj] time | 18 |
|
| 5 | introduced [prep] [art] [adj] time | 18 |
|
| 6 | introduce at [art] [adj] time | 9 |
|
| 7 | introduced at [art] [adj] time | 8 |
|
