| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] for | 516 |
|
| 2 | they [vb base] been [v-ing] | 494 |
|
| 3 | they [vb base] been for | 22 |
|
| 4 | they [vb base] [v-ing] for | 22 |
|
