| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] be for [noun] | 24 |
|
| 2 | it [verb] be [prep] century | 6 |
|
| 3 | [pron] [verb] be for century | 6 |
|
| 4 | it [verb] [be] for century | 6 |
|
