| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [adj] years | 43 |
|
| 2 | it [verb] been [num] years | 39 |
|
| 3 | it [vb -s] been [adj] years | 26 |
|
| 4 | it 's been [adj] years | 18 |
|
| 5 | it had been [adj] years | 17 |
|
| 6 | it [vb past] been [adj] years | 17 |
|
| 7 | it has been [adj] years | 8 |
|
| 8 | it [verb] been three years | 6 |
|
| 9 | it [verb] been three years | 6 |
|
| 10 | it [verb] been ten years | 5 |
|
| 11 | it [verb] been five years | 5 |
|
| 12 | it [verb] been ten years | 5 |
|
| 13 | it [verb] been five years | 5 |
|
