| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] for some years | 24 |
|
| 2 | have been [verb] [prep] some years | 24 |
|
| 3 | have [been] [vb pp] [prep] some years | 15 |
|
| 4 | had [been] [verb] [prep] some years | 11 |
|
| 5 | have [been] [v-ing] [prep] some years | 9 |
|
| 6 | has [been] [verb] [prep] some years | 8 |
|
