| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | year it have been [verb] | 31 |
|
| 2 | year it [verb] been [verb] | 31 |
|
| 3 | years it [verb] been [verb] | 27 |
|
| 4 | year it [vb -s] been [verb] | 25 |
|
| 5 | year it [verb] been [vb pp] | 25 |
|
| 6 | year it has been [verb] | 20 |
|
| 7 | year it [vb past] been [verb] | 6 |
|
| 8 | year it had been [verb] | 6 |
|
| 9 | year it [verb] been [v-ing] | 6 |
|
| 10 | year it 's been [verb] | 5 |
|
