| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] it [prep] | 316 |
|
| 2 | [Wh det] [is] it [prep] | 316 |
|
| 3 | [pron] [is] it for | 73 |
|
| 4 | [Wh det] [is] [pron] for | 63 |
|
| 5 | [Wh det] [be] it for | 59 |
|
| 6 | [Wh det] [is] it for | 53 |
|
