| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it is [prep] | 340 |
|
| 2 | [vb base] [Wh det] it is | 198 |
|
| 3 | [vb base] it is [prep] | 71 |
|
| 4 | [vb base] [Wh det] is [prep] | 34 |
|
