| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at an [noun sg] | 368 |
|
| 2 | [verb] an earlier [noun sg] | 142 |
|
| 3 | at an earlier [noun sg] | 137 |
|
| 4 | [verb] at an earlier | 50 |
|
