| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [noun sg] | 16267 |
|
| 2 | often [prep] a [noun sg] | 124 |
|
| 3 | often [vb past] [prep] [noun sg] | 41 |
|
| 4 | often [vb past] [prep] a | 25 |
|
| 5 | often [vb past] a [noun sg] | 24 |
|
