| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] some years | 12 |
|
| 2 | it be some years | 12 |
|
| 3 | it [was/were] some years | 9 |
|
| 4 | it was some years | 9 |
|
| 5 | it [prep] some years | 6 |
|
| 6 | it [prep] some years | 6 |
|
| 7 | it for some years | 5 |
|
| 8 | it for some years | 5 |
|
