| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [noun sg] | 37578 |
|
| 2 | often a [noun sg] | 406 |
|
| 3 | often [vb pp] [noun sg] | 144 |
|
| 4 | often [vb pp] a | 114 |
|
