| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] [adv] [that] | 28 |
|
| 2 | it is [adv] [verb] [adv] [that] | 27 |
|
| 3 | it be often [verb] [adv] [that] | 7 |
|
| 4 | it [be] often [verb] [adv] [that] | 7 |
|
| 5 | it is often [verb] [adv] [conj] | 6 |
|
| 6 | it [is] often [verb] [adv] [that] | 6 |
|
| 7 | [pron] is often [verb] [adv] [that] | 6 |
|
| 8 | it is often [verb] [adv] [that] | 6 |
|
