| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] [prep] [det] | 3970 |
|
| 2 | [be] [v-ing] [prep] [det] | 3560 |
|
| 3 | [been] [v-ing] [prep] [adj] | 1177 |
|
