| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [be] [pron] [verb] [prep] | 1286 |
|
| 2 | [pron] [is] [pron] [verb] [prep] | 728 |
|
| 3 | [Wh det] [is] [pron] [verb] [prep] | 217 |
|
| 4 | what [is] [pron] [verb] [prep] | 190 |
|
