| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [Wh adv] [pron] [verb] | 4820 |
|
| 2 | be [Wh adv] [pron] [verb] | 4817 |
|
| 3 | [is] [Wh adv] [pron] [verb] | 3973 |
|
| 4 | is [adv] [pron] [verb] | 1945 |
|
