| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] [vb pp] | 1784 |
|
| 2 | [conj] it [is] often [vb pp] | 82 |
|
| 3 | it [is] [adv] often [vb pp] | 42 |
|
| 4 | [conj] it [is] [adv] often | 34 |
|
| 5 | [conj] [is] [adv] often [vb pp] | 24 |
|
