| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a [noun sg] | 13525 |
|
| 2 | be often a [noun sg] | 182 |
|
| 3 | [adv] often a [noun sg] | 63 |
|
| 4 | be [adv] often a | 39 |
|
