| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] a [noun sg] | 67834 |
|
| 2 | at a [noun sg] | 15818 |
|
| 3 | [vb past] at [noun sg] | 1230 |
|
| 4 | [vb past] at a | 1127 |
|
