| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] | 4420 |
|
| 2 | at a later [noun] | 537 |
|
| 3 | [verb] at a later | 151 |
|
| 4 | [verb] a later [noun] | 32 |
|
| 5 | [verb] at later [noun] | 15 |
|
