| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [pron] | 2286 |
|
| 2 | [v-ing] [pron] is | 1227 |
|
| 3 | [been] [v-ing] is | 27 |
|
| 4 | [been] [pron] is | 5 |
|
