| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] for some years | 13 |
|
| 2 | be for some years | 13 |
|
| 3 | been for some years | 7 |
|
| 4 | [been] for some years | 7 |
|
| 5 | [was/were] for some years | 6 |
|
| 6 | was for some years | 5 |
|
