| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it for [num] [noun] | 213 |
|
| 2 | it for [num] year | 71 |
|
| 3 | it for [num] [noun sg] | 36 |
|
| 4 | it for [adj] year | 18 |
|
| 5 | it [prep] [num] year | 10 |
|
| 6 | it [prep] [num] year | 10 |
|
| 7 | [pron] for [num] year | 9 |
|
| 8 | it for [num] year | 8 |
|
