| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] be a [noun sg] | 1981 |
|
| 2 | [modal v] be a [noun pl] [noun sg] | 15 |
|
| 3 | [adv] be a [noun pl] [noun sg] | 8 |
|
| 4 | [modal v] [adv] be a [noun pl] | 6 |
|
