| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] it [prep] | 125 |
|
| 2 | [Wh adv] [det] [is] it | 69 |
|
| 3 | [Wh adv] [det] [is] [prep] | 46 |
|
| 4 | [Wh adv] [is] it [prep] | 37 |
|
