| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [adv] for | 390 |
|
| 2 | 's [been] [v-ing] [adv] | 261 |
|
| 3 | 's [been] [v-ing] for | 110 |
|
| 4 | 's [been] [adv] for | 55 |
|
