| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [prep] [pers pn] | 502 |
|
| 2 | what [pron] is [prep] | 311 |
|
| 3 | what [pron] is [pers pn] | 176 |
|
| 4 | what is [prep] [pers pn] | 48 |
|
