| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] often [vb pp] | 8 |
|
| 2 | [subord] it is [adv] often [vb pp] | 5 |
|
| 3 | it is [adv] often [vb pp] [prep] | 16 |
|
| 4 | it is [adv] often [vb pp] [prep] | 16 |
|
| 5 | it is [adv] often [vb pp] [conj] | 10 |
|
| 6 | it is [adv] often [vb pp] as | 5 |
|
| 7 | it is [adv] often [vb pp] [that] | 5 |
|
| 8 | it is [adv] often [vb pp] as | 5 |
|
| 9 | it is [adv] often [vb pp] that | 5 |
|
| 10 | it is [adv] often [vb pp] that | 5 |
|
