| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] use | 39 |
|
| 2 | it is [adv] [adv] use | 38 |
|
| 3 | it is [adv] often [verb] | 38 |
|
| 4 | [pron] is [adv] often use | 9 |
|
| 5 | it [be] [adv] often use | 8 |
|
| 6 | it be [adv] often use | 8 |
|
| 7 | it is [adv] often use | 8 |
|
| 8 | it [is] [adv] often use | 8 |
|
