| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is often [verb] | 364 |
|
| 2 | it is [adv] think | 69 |
|
| 3 | it is [adv] think | 56 |
|
| 4 | it be often think | 11 |
|
| 5 | it [be] often think | 11 |
|
| 6 | it [is] often think | 10 |
|
| 7 | [pron] is often think | 8 |
|
| 8 | it is often think | 7 |
|
