| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] is [Wh adv] [pers pn] | 6 |
|
| 2 | [Wh det] [pers pn] is [Wh adv] [pers pn] | 6 |
|
| 3 | [Wh det] [pron] is when [pers pn] | 5 |
|
| 4 | [Wh det] it is [Wh adv] [pers pn] | 5 |
|
| 5 | [Wh det] it is [Wh adv] [pers pn] | 5 |
|
