| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] [v-ing] [pron] for | 87 |
|
| 2 | [been] [v-ing] [pron] for some | 20 |
|
| 3 | [vb base] [been] [v-ing] for some | 17 |
|
