| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [adv] [verb] [prep] | 315 |
|
| 2 | [subord] it is [adv] [verb] [prep] | 225 |
|
| 3 | [conj] it is usually [verb] [prep] | 14 |
|
| 4 | [subord] [pron] is usually [verb] [prep] | 8 |
|
| 5 | [subord] [pers pn] is usually [verb] [prep] | 7 |
|
| 6 | [subord] it be usually [verb] [prep] | 7 |
|
| 7 | [subord] it [be] usually [verb] [prep] | 7 |
|
| 8 | [subord] it [is] usually [verb] [prep] | 6 |
|
| 9 | [subord] it is usually [verb] [prep] | 6 |
|
| 10 | [subord] it is usually [verb] [prep] | 6 |
|
| 11 | [subord] it is usually [verb] [prep] | 6 |
|
