| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [conj] [modal v] be | 613 |
|
| 2 | [noun] [conj] [modal v] be [prep] | 226 |
|
| 3 | a [noun] [modal v] be [prep] | 171 |
|
| 4 | a [noun] [conj] [modal v] [prep] | 24 |
|
