| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [noun sg] | 9519 |
|
| 2 | be [conj] a [noun sg] | 835 |
|
| 3 | [prep] [conj] a [noun sg] | 508 |
|
| 4 | be [prep] [conj] a | 63 |
|
| 5 | be [prep] [conj] [noun sg] | 37 |
|
