| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [is] often [vb pp] | 31 |
|
| 2 | [coord] it [is] often [verb] | 31 |
|
| 3 | [coord] it is often [verb] | 27 |
|
| 4 | and it [is] often [verb] | 19 |
|
| 5 | but it [is] often [verb] | 12 |
|
