| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [verb] been | 975 |
|
| 2 | [subord] [v-ing] be | 371 |
|
| 3 | [subord] [v-ing] [be] | 371 |
|
| 4 | [conj] [v-ing] been | 254 |
|
| 5 | [subord] [v-ing] [been] | 177 |
|
