| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] is [adv] [verb] is that | 15 |
|
| 2 | what is [adv] [verb] is that | 14 |
|
| 3 | what is [adv] [verb] is that | 14 |
|
| 4 | [pron] is [adv] [vb pp] is that | 12 |
|
