| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for | 10597 |
|
| 2 | [be] [v-ing] for | 10597 |
|
| 3 | been [v-ing] [prep] | 6841 |
|
| 4 | been [verb] for | 6384 |
|
| 5 | [been] [v-ing] for | 1734 |
|
