| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] be a [noun sg] | 1981 |
|
| 2 | [vb mod] [adv] be [art] [noun sg] | 1877 |
|
| 3 | [vb mod] [adv] be a [noun] | 1270 |
|
| 4 | [vb mod] [adv] [be] a [noun sg] | 1237 |
|
| 5 | [modal v] [adv] be a [noun sg] | 1237 |
|
