| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] | 42938 |
|
| 2 | it is [adv] | 29517 |
|
| 3 | [pron] is usually | 875 |
|
| 4 | it [be] usually | 723 |
|
| 5 | it be usually | 723 |
|
| 6 | it [is] usually | 634 |
|
| 7 | [pers pn] is usually | 496 |
|
| 8 | it is usually | 461 |
|
| 9 | it is usually | 461 |
|
