| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] | 42938 |
|
| 2 | [pron] is sometimes | 527 |
|
| 3 | it [be] sometimes | 499 |
|
| 4 | it be sometimes | 499 |
|
| 5 | it [is] sometimes | 450 |
|
| 6 | [pers pn] is sometimes | 419 |
|
| 7 | it is sometimes | 400 |
|
