| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] [prep] [art] | 21530 |
|
| 2 | [v-ing] [be] [verb] [prep] [art] | 485 |
|
| 3 | [v-ing] [been] [verb] [prep] [art] | 363 |
|
