| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] for some | 87 |
|
| 2 | [been] [v-ing] for years | 82 |
|
| 3 | [v-ing] for some years | 14 |
|
| 4 | [been] for some years | 7 |
|
