| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] a [adj] | 29002 |
|
| 2 | [been] a [adj] | 5508 |
|
| 3 | [been] [v-ing] [adj] | 1801 |
|
| 4 | [been] [v-ing] a | 862 |
|
