| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] | 124218 |
|
| 2 | [verb] [be] [v-ing] | 21171 |
|
| 3 | [verb] be [v-ing] | 21170 |
|
| 4 | [verb] [been] [v-ing] | 19916 |
|
