| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [num] year [prep] | 5 |
|
| 2 | it [verb] [num] year [prep] | 29 |
|
| 3 | it [be] [num] year [prep] | 24 |
|
| 4 | it be [num] year [prep] | 24 |
|
| 5 | it [vb past] [num] year [prep] | 22 |
|
| 6 | it take [num] year [prep] | 21 |
|
| 7 | it took [num] year [prep] | 18 |
|
| 8 | it [is] [num] year [prep] | 14 |
|
| 9 | it was [num] year [prep] | 10 |
|
| 10 | it [was/were] [num] year [prep] | 10 |
|
| 11 | it is [num] year [prep] | 8 |
|
| 12 | it [prep] [num] year [prep] | 8 |
|
| 13 | it [prep] [num] year [prep] | 8 |
|
| 14 | it 's [num] year [prep] | 6 |
|
| 15 | it [vb -s] [num] year [prep] | 6 |
|
| 16 | it [num] year [adv] [prep] | 12 |
|
| 17 | it [num] year [adv] [prep] | 12 |
|
| 18 | it [num] year ago [prep] | 6 |
|
| 19 | it [num] year ago [prep] | 6 |
|
