| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] at | 4833 |
|
| 2 | began [to-vb] [prep] | 1809 |
|
| 3 | began [to-vb] [prep] | 1809 |
|
| 4 | [vb past] [to-vb] at | 1336 |
|
| 5 | begin [to-vb] at | 193 |
|
| 6 | began [verb] at | 172 |
|
| 7 | began [to-vb] at | 105 |
|
