| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [verb] | 3898 |
|
| 2 | it is sometimes [verb] | 206 |
|
| 3 | [subord] it is sometimes | 57 |
|
| 4 | [subord] is sometimes [verb] | 31 |
|
| 5 | [subord] it sometimes [verb] | 21 |
|
