| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] beginning | 615 |
|
| 2 | [vb pp] at [art] beginning | 279 |
|
| 3 | introduced at [art] [noun] | 48 |
|
| 4 | introduced [prep] [art] beginning | 6 |
|
| 5 | introduced [prep] [art] beginning | 6 |
|
| 6 | introduced at [art] beginning | 5 |
|
| 7 | introduce at [art] beginning | 5 |
|
| 8 | introduced at [art] beginning | 5 |
|
