| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] | 4420 |
|
| 2 | start [prep] a [noun] | 541 |
|
| 3 | start [prep] a [noun] | 541 |
|
| 4 | start at [art] [noun] | 294 |
|
| 5 | start at a [noun] | 19 |
|
