| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a [noun sg] | 22457 |
|
| 2 | be [prep] a [noun sg] | 9519 |
|
| 3 | [prep] [adv] a [noun sg] | 3286 |
|
| 4 | be [prep] [adv] a | 313 |
|
| 5 | be [prep] [adv] [noun sg] | 62 |
|
