| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at | 137581 |
|
| 2 | [vb pp] at | 41826 |
|
| 3 | begun [prep] | 962 |
|
| 4 | begun [prep] | 962 |
|
| 5 | begin at | 617 |
|
| 6 | begun at | 35 |
|
