| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is sometimes [vb pp] | 40 |
|
| 2 | as it is sometimes [verb] | 24 |
|
| 3 | [subord] it is sometimes call | 15 |
|
| 4 | [subord] it is sometimes called | 15 |
|
| 5 | although it is sometimes [verb] | 6 |
|
| 6 | though it is sometimes [verb] | 5 |
|
