| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [noun sg] | 33843 |
|
| 2 | [adv] be a [noun sg] | 1996 |
|
| 3 | be [prep] a [noun sg] | 1255 |
|
| 4 | [adv] be [prep] [noun sg] | 641 |
|
| 5 | [adv] be [prep] a | 299 |
|
