| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [noun] | 617904 |
|
| 2 | [been] a [noun] | 6255 |
|
| 3 | [been] a [adj] | 5181 |
|
| 4 | [been] [adj] [noun] | 2084 |
|
