| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [verb] | 1191 |
|
| 2 | it is often [verb] | 364 |
|
| 3 | [coord] it is often | 87 |
|
| 4 | [coord] is often [verb] | 55 |
|
| 5 | [coord] it often [verb] | 34 |
|
