| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a | 14070 |
|
| 2 | began [to-vb] [prep] | 1809 |
|
| 3 | began [to-vb] a | 339 |
|
| 4 | began [prep] a | 313 |
|
