| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [prep] years | 84 |
|
| 2 | [v-ing] [prep] many years | 26 |
|
| 3 | been [prep] many years | 25 |
|
| 4 | been [v-ing] [prep] many | 23 |
|
