| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for [det] years | 114 |
|
| 2 | been [vb pp] [prep] [det] years | 91 |
|
| 3 | been [verb] [prep] many years | 82 |
|
| 4 | been [v-ing] [prep] [det] years | 37 |
|
| 5 | been [verb] [prep] some years | 26 |
|
| 6 | been [verb] [prep] several years | 20 |
|
| 7 | been know [prep] [det] years | 15 |
|
| 8 | been known [prep] [det] years | 15 |
|
| 9 | been used [prep] [det] years | 14 |
|
| 10 | been use [prep] [det] years | 14 |
|
| 11 | been [verb] over [det] years | 12 |
|
| 12 | been establish [prep] [det] years | 5 |
|
| 13 | been established [prep] [det] years | 5 |
|
