| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [v-ing] [adv] for | 98 |
|
| 2 | [vb past] [been] [v-ing] for some | 42 |
|
| 3 | [been] [v-ing] [adv] for some | 31 |
|
| 4 | [vb past] [been] [adv] for some | 13 |
|
