| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what it [be] [prep] | 854 |
|
| 2 | [pron] it [is] [prep] | 715 |
|
| 3 | what [pron] [is] [prep] | 671 |
|
| 4 | what it [is] [prep] | 559 |
|
