| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] at [art] | 298 |
|
| 2 | began [to-vb] at [art] | 52 |
|
| 3 | began [to-vb] [adv] at | 23 |
|
| 4 | began [to-vb] [adv] [art] | 21 |
|
| 5 | began [adv] at [art] | 6 |
|
