| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [adv] | 1919 |
|
| 2 | [been] [v-ing] for | 1734 |
|
| 3 | [v-ing] [adv] for | 1337 |
|
| 4 | [been] [adv] for | 381 |
|
